{"title":"Master Cylinders and Proportioning Valves","description":"","products":[{"product_id":"1953-56-ford-f-100-master-cylinder-and-power-booster-adapter-bracket","title":"1953-56 Ford F-100, Master Cylinder and Power Booster Adapter Bracket","description":"\u003cp\u003eThis master cylinder and power booster adapter kit is a must by today's standards. It allows you to mount a much safer dual reservoir master cylinder or power brakes booster in the stock location on the frame of your 1953-56 Ford F-100. This setup also works very well for manual disc brake conversions. Uses OE brake pedal.\u003cbr\u003e\r\n \u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44022308634658,"sku":"MCA5356","price":76.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/mca4755B_250-01.jpg?v=1754068065"},{"product_id":"proportioning-valve-kit-ac-delco-valve-and-gm-master-cylinder-under-floor-mount-type","title":"Proportioning Valve Kit, AC Delco Valve and GM Master Cylinder, Under Floor Mount Type","description":"\u003cp\u003eWhen upgrading your vehicle from drum to disc, these small items are a must. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel. Designed for use with the GM Corvette style master cylinder. These kits mount underneath the master cylinder.\u003cbr\u003e \n\u003cbr\u003e \n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\t\u003cli\u003eProportioning Valve\u003c\/li\u003e \n\t\u003cli\u003eWire plug\u003c\/li\u003e \n\t\u003cli\u003eMounting Bracket and Lines\u003c\/li\u003e \n\u003c\/ul\u003e \n \n\u003cp\u003e\u003cspan style=\"color:#ff0000\"\u003eSafety Features\u003c\/span\u003e: This valve is designed to isolate the front brakes from the rear brakes.  In the event of a failure, the emergency shut off valve detects a change in pressure and closes that portion of the brakes.\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44022371811362,"sku":"PVKU-2T","price":86.28,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44022371844130,"sku":"PVKU-4T","price":92.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PVKU-4755_S.jpg?v=1754068960"},{"product_id":"proportioning-and-combination-valve-ac-delco-172-1353-and-172-1361-type","title":"Proportioning and Combination Valve, AC Delco 172-1353 \u0026 172-1361","description":"\u003cp\u003eThese GM combination-proportioning valves are based on the popular AC DELCO 172-1353 (PV2) 2 wheel disc and 172-1361 (PV4) 4 wheel disc valves. When upgrading your vehicle from drum to disc, these small items are a must. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAll valves contain a low pressure shut off valve and warning light switch to ensure driver and vehicle safety should your brake system lose hydraulic line pressure. Aftermarket imported master cylinders with built in adjustable proportioning valves DO NOT feature this and could put you and your vehicle at risk. \u003cbr\u003e\r\n\u003cbr\u003e\r\n\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003e2 wheel disc - PV2  \u003c\/li\u003e\r\n\t\u003cli\u003e4 wheel disc - PV4\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#ff0000\"\u003eSafety Features\u003c\/span\u003e: \u003c\/strong\u003eThis valve is designed to isolate the front brakes from the rear brakes.  In the event of a failure, the emergency shut off valve detects a change in pressure and closes that portion of the brakes.\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44022469197858,"sku":"PV2","price":71.94,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44022469165090,"sku":"PV4","price":71.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PV4_new_250.jpg?v=1768427918"},{"product_id":"brake-light-switch-with-fitting","title":"Brake Light Switch with Fitting","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eThis small component is activated by the pressure of your braking. Activates your brake lights. It's a good idea to replace old worn out light switches for your safety. Recommended installation placement is in the rear brake line after the prop valve. T fitting accepts standard 3\/16\" brake line fittings (3\/8\"-24).\u003c\/span\u003e\u003c\/p\u003e \n \n\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eNote: Not recommended for use with Dot 5 silicon brake fluid.\u003c\/span\u003e\u003c\/p\u003e \n \n\u003cp\u003e \u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44022735175714,"sku":"BLS-00","price":21.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/BLS-00_S.jpg?v=1754075698"},{"product_id":"proportioning-valve-and-combination-valve-low-pressure-switch-wire-connector","title":"Proportioning Valve and Combination Valve Low Pressure Switch Wire Connector","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eOur low pressure warning light wire connector fits the AC Delco type proportioning and combination valves. Give you that factory completed look and includes the proper connector.\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44022757523490,"sku":"PVWC","price":7.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18041-1401.jpg?v=1754076106"},{"product_id":"3an-banjos-for-master-cylinders","title":"'-3AN Banjos for Master Cylinders, Pr.","description":"\u003cp\u003eThese fittings are available for GM Corvette style and GM dual reservoir drum brake master cylinders to -3AN.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eMaster cylinder port sizes:\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003e1\u003c\/strong\u003e\/2-20 to -3AN and 9\/16-18 to -3AN \u003cbr\u003e\r\n\u003cbr\u003e\r\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003eTubing nuts\u003c\/li\u003e\r\n\t\u003cli\u003eBanjo bolts\u003c\/li\u003e\r\n\t\u003cli\u003eSleeves\u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/li\u003e\r\n\t\u003cli\u003eBanjo fittings\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44022762602530,"sku":"ANBMC","price":55.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/ANBMC_600W-gMafJv.png?v=1754076246"},{"product_id":"gm-proportioning-valve-fittings-ac-delco-combination-valve","title":"GM Proportioning Valve Fittings, AC Delco Combination Valve","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eThese proportioning valve fittings all all that you need to plumb your AC-Delco proportioning valve # 172-1353 or 172-1361 into your brake system. Available for GM\/Delco Proportioning Valve to -3AN.\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44022764339234,"sku":"PVF","price":54.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18074-1433.jpg?v=1754076281"},{"product_id":"master-cylinder-bench-bleeder-kit","title":"Master Cylinder Bench Bleeder Kit","description":"\u003cp\u003eThis bleeder kit is designed to be used only once. If nozzle is burred, nozzle may not seal, allowing air to be drawn into master cylinder.\u003cbr\u003e \r\n\u003cbr\u003e \r\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e \r\n \r\n\u003cul\u003e \r\n\t\u003cli\u003ePlastic Nozzles\u003c\/li\u003e \r\n\t\u003cli\u003eHoses and Plastic Bridge\u003c\/li\u003e \r\n\u003c\/ul\u003e \r\n ","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44022764994594,"sku":"BK307","price":3.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18076-1435.jpg?v=1754076299"},{"product_id":"adjustable-disc-brake-proportioning-valve","title":"Adjustable Disc Brake Proportioning Valve","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eWhen upgrading your car or truck from drum to disc, our disc brake adjustable proportioning valves are a must! These components allow you to adjust the amount of fluid flow to the rear brakes, to get the most out of your brake system.\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"Chrome","offer_id":44022887809058,"sku":"APV-C","price":67.31,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":44022887841826,"sku":"APV-B","price":63.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/APV_B_C_600-YdHGIZ.png?v=1754077831"},{"product_id":"1953-64-ford-f-100-f-150-replacement-master-cylinder-drum-brakes","title":"1953-64 FORD F-100, F-150, REPLACEMENT MASTER CYLINDER (DRUM BRAKES)","description":"\u003cb\u003ePerformance Online offers master cylinders for stock replacement. These high quality master cylinders will help your classic truck perform like new.  \r\n\u003cbr\u003e \r\n\u003cbr\u003eCylinder Bore: \r\n\u003cbr\u003e53-60 - 1 1\/16 \r\n\u003cbr\u003e61-64 - 1\u003c\/b\u003e","brand":"Performance Online (POL)","offers":[{"title":"1953-56 (14019)","offer_id":44023011573794,"sku":"14019","price":75.24,"currency_code":"USD","in_stock":true},{"title":"1961-64 (37781)","offer_id":44023011606562,"sku":"37781","price":75.24,"currency_code":"USD","in_stock":true},{"title":"1957-60 (22975)","offer_id":44023011639330,"sku":"22975","price":85.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18511-1089.jpg?v=1754079405"},{"product_id":"disc-brake-master-cylinder-proportioning-valve-kit-chrome","title":"Disc Brake Master Cylinder and Proportioning Valve Kit, CHROME","description":"\u003cp\u003eOur chrome disc brake master cylinder and proportioning valve kits are nice quality brake parts and mount in the factory location on most vehicles. These brake components feature a limited lifetime warranty. These components are a must when upgrading to disc brakes and come completely assembled ready to install.\u003cbr\u003e\r\n\u003cbr\u003e\r\n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003eChrome Master Cylinder and lid (1.00\" Bore)\u003c\/li\u003e\r\n\t\u003cli\u003eChrome Proportioning Valve and bracket\u003c\/li\u003e\r\n\t\u003cli\u003eProp Valve Lines (OM material)\u003c\/li\u003e\r\n\t\u003cli\u003eProportioning Valve Wire Connector\u003c\/li\u003e\r\n\t\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eFront brake line fitting ports are 3\/8\"-24 (3\/16\" brake line standard)\u003c\/p\u003e\r\n\r\n\u003cp\u003eRear brake line fitting port is 7\/16-20 (1\/4\" brake line standard)\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023113744418,"sku":"CMCPVS-2","price":236.49,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023113711650,"sku":"CMCPVS-4","price":236.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18755-1137.jpg?v=1754081261"},{"product_id":"master-cylinder-and-prop-valve-kit-under-floor-mount-manual-brakes","title":"Master Cylinder and Prop Valve Kit, Under Floor Mount, Manual Brakes","description":"\u003cp\u003eThis master cylinder and proportioning valve kit is for the enthusiast who wants to run manual disc brakes. These kits are available for all vehicles that have under floor mounted master cylinder and brake assemblies. This kit requires mounting brackets and or other components to complete the installation.\u003cbr\u003e \n\u003cbr\u003e \n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\t\u003cli\u003eMaster cylinder (1\" Bore)\u003c\/li\u003e \n\t\u003cli\u003eProportioning valve\u003c\/li\u003e \n\t\u003cli\u003eProportioning valve bracket\u003c\/li\u003e \n\t\u003cli\u003eMaster to proportioning valve lines\u003c\/li\u003e \n\t\u003cli\u003eLifetime Warranty\u003c\/li\u003e \n\u003c\/ul\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023114268706,"sku":"MCPVU-2T","price":180.01,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023114235938,"sku":"MCPVU-4T","price":180.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/mcpvu-_250t.jpg?v=1754081278"},{"product_id":"proportioning-valve-kit-side-mount-gm-master-cylinder-ac-delco-type","title":"Proportioning Valve Kit, Side Mount, GM Master Cylinder, AC Delco Type","description":"\u003cp\u003eWhen upgrading your Vehicle from drum to disc, these small items are a must. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel. These kits mount on the driver side of master cylinder. For use on GM master cylinder with 1\/2-20 front and 9\/16-18 rear brake line ports.\u003cbr\u003e\r\n\u003cbr\u003e\r\n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003eProportioning Valve\u003c\/li\u003e\r\n\t\u003cli\u003eWire plug\u003c\/li\u003e\r\n\t\u003cli\u003eMounting Bracket and Lines\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cspan style=\"color:#ff0000\"\u003eSafety Features\u003c\/span\u003e: This valve is designed to isolate the front brakes from the rear brakes.  In the event of a failure, the emergency shut off valve detects a change in pressure and closes that portion of the brakes.\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023114629154,"sku":"PVKS-2","price":90.76,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023114661922,"sku":"PVKS-4","price":90.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/pvks_600-f6TCJE.png?v=1754081295"},{"product_id":"proportioning-valve-kit-side-mount-gm-master-cylinder-ac-delco-type-chrome","title":"Proportioning Valve Kit, Side Mount, GM Master Cylinder, AC Delco Type, CHROME","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eWhen upgrading your Vehicle from drum to disc, these small items are a must. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel. These kits mount on the driver side of master cylinder. For use on GM master cylinder with 1\/2-20 front and 9\/16-18 rear brake line ports. All of this is in kit form including proportioning valve, mounting brackets and lines.\u003cbr\u003e\r\n\u003cbr\u003e\r\n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eProportioning Valve\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eWire plug\u003c\/span\u003e\u003c\/li\u003e\r\n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eMounting Bracket and Lines\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eSafety Features: This valve is designed to isolate the front brakes from the rear brakes.  In the event of a failure, the emergency shut off valve detects a change in pressure and closes that portion of the brakes.\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023114956834,"sku":"PVKS-2C","price":116.75,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023114924066,"sku":"PVKS-4C","price":116.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/pv4_chrome_m-qyVpQF.png?v=1754081312"},{"product_id":"manual-brake-master-cylinder-push-rod-kit-with-boot","title":"Manual Brake Master Cylinder Push Rod kit with Boot","description":"\u003cp\u003eOur manual brake master cylinder push rod kit with boot will replace your old rusty wore out master cylinder activator rod. Great for those wanting to convert a power brake vehicle to manual brakes.\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023115087906,"sku":"MPK6781","price":20.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18778-518.jpg?v=1754081329"},{"product_id":"proportioning-valve-kit-under-mount-gm-master-cylinder-ac-delco-type","title":"Proportioning Valve Kit, Under Mount, GM Master Cylinder, AC Delco Type","description":"\u003cp\u003eWhen upgrading your Vehicle from drum to disc, these small items are a must. Our proportioning valve kits ensure proper fluid transfer and contain a residual pressure valve for proper braking feel. These kits mount underneath the master cylinder.\u003c\/p\u003e \n \n\u003cp\u003e\u003cspan style=\"color:#ff0000\"\u003eSafety Features\u003c\/span\u003e: This valve is designed to isolate the front brakes from the rear brakes. In the event of a failure, the emergency shut off valve detects a change in pressure and closes that portion of the brakes.\u003c\/p\u003e \n \n\u003cp\u003eFront line line to master fitting size - 1\/2-20.\u003c\/p\u003e \n \n\u003cp\u003eRear line to master fitting size - 9\/16-18 \u003c\/p\u003e \n \n\u003cp\u003e \u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc \/ Standard","offer_id":44023130685474,"sku":"PVKU-2","price":90.89,"currency_code":"USD","in_stock":true},{"title":"2 wheel disc \/ Chrome","offer_id":44023130587170,"sku":"PVKU-2C","price":116.87,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc \/ Standard","offer_id":44023130652706,"sku":"PVKU-4","price":90.89,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc \/ Chrome","offer_id":44023130554402,"sku":"PVKU-4C","price":116.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PVKU-6267_S.jpg?v=1754081613"},{"product_id":"disc-brake-master-cylinder-proportioning-valve-kit","title":"Disc brake Master Cylinder and Proportioning Valve Kit","description":"\u003cp\u003eOur disc master cylinder with AC Delco type proportioning valve is just what you need to finish your disc brakes. Our unique setup includes a master cylinder bore adapter to allow you to use it for manual or power disc applications. Our master cylinder has a 1.00\" bore diameter which creates more line pressure for manual brake applications and makes your power brake application feel much better than larger bore setups. Proportioning valve utilizes a lower pressure shut off valve for safety, should line pressure ever become compromised. Kit includes low pressure warning light wire and plug. Master cylinder accommodates both Ford and Chevy mounting bolt batterns. Designed for firewall mounted brake systems\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023133962274,"sku":"MCPVS-2","price":171.92,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023133995042,"sku":"MCPVS-4","price":171.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/mcpvs_250-01.jpg?v=1754081701"},{"product_id":"master-cylinder-lid-chrome-single-clamp","title":"Master Cylinder Lid, Chrome, Single Clamp","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eFits Drum brake style GM master cylinder with single bail design. Modifications may be necessary.\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023139598370,"sku":"POL6064","price":14.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18824-1656.jpg?v=1754081751"},{"product_id":"proportioning-valve-bracket-and-line-kit-side-mount-ac-delco-type","title":"Proportioning Valve Bracket and Line kit, Side Mount, AC Delco Type","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eThis kit mounts the prop valve to the driver side of the master cylinder. Brake lines included.\u003cbr\u003e \n\u003cbr\u003e \n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eMounting Bracket  (Zinc coated)\u003c\/span\u003e\u003c\/li\u003e \n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eProp Valve Lines\u003c\/span\u003e\u003c\/li\u003e \n\u003c\/ul\u003e \n \n\u003cp\u003e \u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023169515554,"sku":"PVBLK00","price":17.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-18968-1794.jpg?v=1754082532"},{"product_id":"master-cylinder-remote-fill-reservoir-cap-kit-for-chevy-ford-street-rods-hot-rods","title":"Master Cylinder Remote Fill Reservoir Cap Kit for Chevy Ford Street Rods and Hot Rods","description":"\u003cp\u003ePerformance Online offers a Master Cylinder Remote Fill Reservoir Cap Kit. Great for under floor mounted master cylinders and power brake conversions. Easily converts your disc brake master cylinder to a remote fill reservoir unit. Dual Bail Covette style master cylinders only.\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023189962786,"sku":"RRCK-12","price":146.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/RFMA01_S.jpg?v=1754083061"},{"product_id":"ford-disc-brake-master-cylinder-and-proportioning-valve-kit","title":"Ford Disc Brake Master Cylinder and Proportioning Valve Kit","description":"\u003cp\u003eOur 1964-73 Ford Mustang disc brake master cylinder and proportioning valve kit is just what you need to finish your disc brake conversion. Kit is designed to precise specifications and comes fully assembled and ready to install. This kit is for the enthusiast who wants to run manual disc brakes. These kits are available for all 1964-73 Ford Mustangs plus additional vehicles listed below.\u003c\/p\u003e\n\u003cp\u003eSpecs:\u003c\/p\u003e\n\u003cp\u003eMaster Cylinder \" 1\" Bore\u003c\/p\u003e","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023262707746,"sku":"MCPVUB-2F","price":177.16,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023262674978,"sku":"MCPVUB-4F","price":177.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/MCPVUB-F_S.jpg?v=1754084933"},{"product_id":"proportioning-and-combination-valve-ac-delco-172-1353-and-172-1361-chrome","title":"Proportioning and Combination Valve, AC Delco Type 172-1353 \u0026 172-1361, CHROME","description":"\u003cp\u003eThese chrome GM combination-proportioning valves are based on the popular AC DELCO 172-1353 (PV2C disc-drum) and 172-1361 (PV4C disc-disc) valves. When upgrading your vehicle from drum to disc, these small items are a must. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAll valves contain a low pressure shut off valve and warning light switch to ensure driver and vehicle safety should your brake system lose hydraulic line pressure. Aftermarket imported master cylinders with built in adjustable proportioning valves DO NOT feature this and could put you and your vehicle at risk. \u003cbr\u003e\r\n\u003cbr\u003e\r\n\u003cstrong\u003eApplications: \u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003e2 wheel disc - PV2C \u003c\/li\u003e\r\n\t\u003cli\u003e4 wheel disc - PV4C\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#ff0000\"\u003eSafety Features:\u003c\/span\u003e \u003c\/strong\u003eThis valve is designed to isolate the front brakes from the rear brakes.  In the event of a failure, the emergency shut off valve detects a change in pressure and closes that portion of the brakes.\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023264673826,"sku":"PV2C","price":82.76,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023264641058,"sku":"PV4C","price":82.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PV-C_500W-RXrBuS.png?v=1754084986"},{"product_id":"gm-distribution-block-brake-light-warning-switch","title":"GM Distribution Block and Brake Light Warning Switch","description":"\u003cp\u003eThis item was used on early GM vehicles (1967 \u0026amp; up) with factory disc \u0026amp; dual reservoir drum brakes. This item provides safety and a low pressure shut off valve with warning light switch. These kits are great for the enthusiasts looking for detailed safe brake system.\u003c\/p\u003e \n \n\u003cdiv class=\"moreDetailRow\"\u003e \n\u003cp\u003e\u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\t\u003cli\u003eInlet Sizes: Front 3\/8\"-24 and Rear 7\/16\"-20\u003c\/li\u003e \n\t\u003cli\u003eOutlet Sizes to Front: 3\/8\"-24 and 1\/2\"-20\u003c\/li\u003e \n\t\u003cli\u003eOutlet Sizes to Rear: 1\/2\"-20\u003c\/li\u003e \n\t\u003cli\u003eCast steel\u003c\/li\u003e \n\u003c\/ul\u003e \n\u003c\/div\u003e \n \n\u003cp\u003e \u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023264739362,"sku":"PV05","price":78.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PV05_250.jpg?v=1754085003"},{"product_id":"street-rod-hot-rod-and-classic-truck-chromed-aluminum-master-cylinder-with-custom-lid","title":"Street Rod, Hot Rod and Classic Truck Chromed Aluminum Master Cylinder with Custom Lid","description":"\u003cp\u003eThese quality Chromed aluminum master cylinders fit GM and Ford vehicles and are based on the popular Corvette master cylinder used today in most disc brake conversions. Works great with all brake types including 2 and 4 wheel disc brakes.\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Double Barrel","offer_id":44023312908322,"sku":"WP3510-3C","price":120.06,"currency_code":"USD","in_stock":true},{"title":"Raised Center","offer_id":44023312941090,"sku":"WP3510-5C","price":120.06,"currency_code":"USD","in_stock":true},{"title":"Finned","offer_id":44023312973858,"sku":"WP3510-4C","price":120.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-19454-2235.jpg?v=1754086871"},{"product_id":"brake-master-cylinder-1-bore-gm-type-dual-reservoir","title":"Brake Master Cylinder, 1\" Bore GM Type, Dual Reservoir","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003ePerformance Online offers master cylinders for your custom conversion or for replacement. Our GM style 1\" deep bore master cylinder incorporates a piston bore adapter which allows it to be used for manual or power drum and disc brake applications. Mounting holes allow it to work on a large variety of GM applications. Ford and Mopar require slotting the mounting holes to fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eFront brake line port is 1\/2\"-20, Rear port is 9\/16\"-18\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e.750\" shorter than the popular Corvette master cylinder\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e1.250\" narrower than the popular Corvette master cylinder\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eCan be used for disc brake setups with slight in house modifications. \u003c\/span\u003e\u003c\/p\u003e","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023381917730,"sku":"MC82016","price":83.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/MC82016_250.jpg?v=1754088238"},{"product_id":"gm-disc-brake-conversion-master-cylinder-1-bore-chromed-aluminum-corvette","title":"GM Disc Brake Conversion Master Cylinder, 1\" Bore, Chromed Aluminum Corvette Type","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003ePerformance Online offers many master cylinders for your custom conversion or for replacement. Our Corvette style 1\" deep bore master cylinder incorporates a piston bore adapter which allows it to be used for manual or power disc brake applications. Our exclusive slotted mounting holes allow it to work on a large variety of applications, including Ford, Chevy, Mopar and many more.\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023418388514,"sku":"CMC2","price":156.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/CMC2_S.jpg?v=1754088841"},{"product_id":"gm-disc-brake-conversion-master-cylinder-1-bore-gm-corvette-type","title":"GM Disc Brake Conversion Master Cylinder, 1\" Bore Corvette Type","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003ePerformance Online offers master cylinders for your custom conversion or for replacement. Our Corvette style 1\" deep bore master cylinder incorporates a piston bore adapter which allows it to be used for manual or power disc brake applications. Our exclusive slotted mounting holes allow it to work on a large variety of applications, including Ford, Chevy, Mopar and many more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003ePort Fittings:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eFront brake line fitting is 1\/2\"-20 and the rear port is 9\/16\"-18\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan style=\"color: #000000;\"\u003eOur disc brake master cylinders are the same that come in our complete disc brake conversion kits.\u003c\/span\u003e\u003c\/p\u003e","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023419142178,"sku":"MC82019","price":74.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/MC-82019_250.jpg?v=1754088859"},{"product_id":"master-cylinder-lid-dual-clamp-corvette-type-chrome","title":"Master Cylinder Lid, Dual Clamp Corvette Type, Chrome","description":"\u003cp\u003eThese chrome lids fit the popular Corvette style GM master cylinders with dual bail lid design. Gasket \/ Diaphragm not included\u003c\/p\u003e \r\n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023419863074,"sku":"POL6063","price":14.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-19644-1476.jpg?v=1754088877"},{"product_id":"residual-pressure-check-valve-for-brake-system","title":"Residual Pressure Check Valve for Brake System","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eThese residual check valves reduce brake fluid bleed back which is caused by drum brake return springs and road vibration. Bleed back causes an initial low brake pedal feel, the result is a firmer more consistent brake pedal. Recommended when running an adjustable proportioning valve\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"Disc (2lb)","offer_id":44023420485666,"sku":"RCV02","price":15.52,"currency_code":"USD","in_stock":true},{"title":"Drum (10lb)","offer_id":44023420518434,"sku":"RCV10","price":15.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/Res_valves_s.jpg?v=1754088896"},{"product_id":"disc-brake-master-cylinder-proportioning-valve-kit-aluminum-hybrid-type","title":"Disc brake Master Cylinder and Proportioning Valve Kit, Aluminum Hybrid Type","description":"\u003cp\u003eThese aluminum master cylinders are designed after the popular corvette style units used today and weighs 8lbs less than a comparable kit made of cast iron. Along with the weight savings you gain added performance and decrease stresses that occur when using a heavy iron master. When the machine process is complete we then send to our production shop for the burnishing process. Burnishing the cylinder wall removes and\/or greatly reduces burrs, imperfections and micro machining chatter marks that occur in all machine processes. It also makes for a straighter cylinder wall. Most all other manufacturers skip this process to reduce cost and see only a 40% success rate because the piston seals can not seat properly. Master cylinder includes our unique bore adapter to allow for use on both power and manual disc brake applications.\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023429529634,"sku":"AMCPVS-2","price":222.74,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023429562402,"sku":"AMCPVS-4","price":222.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/t-19668-1670.jpg?v=1754089163"},{"product_id":"ford-proportioning-valve-kit-with-ac-delco-valve","title":"Ford Proportioning Valve Kit With AC Delco Valve","description":"\u003cp\u003eAn AC Delco proportioning valve kit for your Classic Ford vehicle. When upgrading your vehicle from drum to disc, these small items are a must. All valves are built to precise specifications and pressure checked for accuracy. Includes a limited lifetime warranty. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel. Designed to mount perfectly to the popular Ford disc brake master cylinder.\u003cbr\u003e \n\u003cbr\u003e \n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\t\u003cli\u003eProportioning Valve\u003c\/li\u003e \n\t\u003cli\u003eMounting Brackets and Lines\u003c\/li\u003e \n\t\u003cli\u003eWire Plug\u003c\/li\u003e \n\u003c\/ul\u003e \n \n\u003cp\u003eAvailable in 2 and 4 wheel disc applications.\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023445356578,"sku":"PVKU-2F","price":92.42,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023445389346,"sku":"PVKU-4F","price":92.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PVKU_20ford_20A.jpg?v=1754089683"},{"product_id":"proportioning-valve-bracket-and-line-kit-side-mount-ac-delco-type-chrome","title":"Proportioning Valve Bracket and Line kit, Side Mount, AC Delco Type, CHROME","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eThis kit mounts the prop valve to the driver side of the master cylinder. Brake lines included.\u003cbr\u003e \n\u003cbr\u003e \n\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eMounting Bracket  (Chrome plated)\u003c\/span\u003e\u003c\/li\u003e \n\t\u003cli\u003e\u003cspan style=\"color:#000000\"\u003eProp Valve Lines\u003c\/span\u003e\u003c\/li\u003e \n\u003c\/ul\u003e \n \n\u003cp\u003e \u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023448633378,"sku":"PVBLK00C","price":27.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PVBLK00Ca.jpg?v=1754089785"},{"product_id":"wilwood-master-cylinder-aluminum-tandem-chamber-disc-brake-conversion","title":"Wilwood Master Cylinder, Aluminum Tandem Chamber, Disc Brake Conversion","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eThe exclusive Wilwood features incorporated in this innovative and unique new design make it the perfect choice for a wide range of custom manual or power brake applications. High-pressure die casting of premium alloy produces a high capacity body that is lightweight, looks great, and has the durability for competition. Black anodized, machined billet lid captures a pressure balanced bellows gasket with 100% sealing against moisture invasion or fluid leakage.\u003cbr\u003e\r\nMounting flange is slotted to accommodate installation on bolt centers between 3.22\" and 3.40\". That makes it a simple bolt-on to many OE mounts including the popular Chrysler, Corvette, GM and Ford Mustang master cylinder bolt patterns.\u003cbr\u003e\r\n\u003cbr\u003e\r\nEach master cylinder is configured with full seperation between the front and rear reservoir chambers and fluid outlets. There is pressure access on both sides of the postion bore for right or left hand plumbing based on the mount locations.\u003c\/span\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003eTotal pistion stroke of 1.10\" is distributed at a 2:1 volume ratio between the primary and secondary chambers.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eChoice of 1\" or 1-1\/8\" bore sizes to match the volume and pressure requirements of most any application\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Wilwood Disc Brakes","offers":[{"title":"1.125\" \/ Bright","offer_id":44023456759842,"sku":"260-8556-P","price":304.85,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Bright","offer_id":44023456792610,"sku":"260-8555-P","price":304.85,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Black","offer_id":44023456858146,"sku":"260-8556-BK","price":304.85,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Black","offer_id":44023456890914,"sku":"260-8555-BK","price":304.85,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Standard","offer_id":44023456956450,"sku":"260-8556","price":304.85,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Standard","offer_id":44023456989218,"sku":"260-8555","price":304.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/260-8556-BK-lg-gfk9KM.png?v=1754090072"},{"product_id":"wilwood-remote-master-cylinder","title":"Wilwood Remote Master Cylinder","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eCompact master cylinders are the perfect solution for club sport racers, small open wheel cars, or any other custom application where there is limited space for the master cylinder and fluid reservoir. Aluminum cylinders with wither a detachable or remote fill reservoirs, or a one-piece integral reservoir version, are available in three bore sizes from .625\" to .750\" with a full 1.4\" of stroke to accommodate short pedal ratios, small brake calipers, and hydraulic clutch actuation on space limited applications. Performance Online offers master cylinders for your custom conversion or for stock drum brake replacement.\u003cbr\u003e \n\u003cbr\u003e \nOur disc brake master cylinders are the same Hot items that come in our complete disc conversion kits.\u003c\/span\u003e\u003cbr\u003e \n \u003c\/p\u003e \n","brand":"Wilwood Disc Brakes","offers":[{"title":"0.750\" Bore","offer_id":44023457939490,"sku":"260-6089","price":82.56,"currency_code":"USD","in_stock":true},{"title":"0.700\" Bore","offer_id":44023457972258,"sku":"260-6088","price":82.56,"currency_code":"USD","in_stock":true},{"title":"0.625\" Bore","offer_id":44023458005026,"sku":"260-6087","price":82.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/260-6087a.jpg?v=1754090090"},{"product_id":"wilwood-integral-reservoir-compact-aluminum-clutch-master-cylinder","title":"Clutch Master Cylinder","description":"Wilwood Integral Reservoir Compact Aluminum Clutch Master Cylinder\n750\" Bore, Standard\nIncludes baffled cap","brand":"Wilwood Disc Brakes","offers":[{"title":"Default Title","offer_id":44023458070562,"sku":"260-1304","price":85.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/260-2636-med-cOty8v.png?v=1754090108"},{"product_id":"gm-combination-proportioning-valve-bleed-tool-ac-delco","title":"GM Proportioning Valve Bleed Tool, AC Delco","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003ePerformance Online's new Combination and Proportioning Valve Bleed Tool is designed to replace the warning light switch (white plug) on the proportioning valve during the brake bleeding process. After the bleeding process is finished, simply remove our PvBT Tool and reinstall the warning light switch. This item makes bleeding your brake system much easier. Works with all popular non adjustable GM style combination valves. Will also work on AC Delco 172-1353, 172-1371 and many other GM proportioning-combination valves.\u003cbr\u003e\r\n\u003cbr\u003e\r\nTool is designed to lock the low pressure shut valve to allow fast and easy brake system bleeding. No need to constantly remove low pressure switch and center the low pressure valve during the brake bleeding process!\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023501258786,"sku":"PVBT","price":9.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/PVBT-n6kt7b.png?v=1754091370"},{"product_id":"gm-proportioning-valve-low-pressure-warning-light-switch-cover-chrome","title":"GM Proportioning Valve Low Pressure Warning Light Switch Cover, Chrome","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eChrome proportioning valve warning light switch cover. A great way to cover up the warning light switch and give your prop valve a great clean appearance. A must when you have a chrome proportioning valve and power booster kit. \u003c\/span\u003e\u003c\/p\u003e \n \n\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eFits all GM 172-1353 and 172-1361 OE valves and reproduction valves.\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023540908066,"sku":"PVSC","price":2.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/chrome_20cover_S.jpg?v=1754093632"},{"product_id":"1953-56-ford-f-100-truck-master-cylinder-kit-disc-brakes","title":"1953-56 Ford F-100 Truck Master Cylinder kit, Disc Brakes","description":"\u003cp\u003eOur 1953-56 Ford F-100 master cylinder adapter kit is a must by today's standards. It allows you to mount a much safer dual reservoir master cylinder in the stock location on the frame. This setup also works very well for manual disc brake conversions. Uses OE brake pedal\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"2 wheel disc","offer_id":44023620075554,"sku":"MCA5356-2","price":219.42,"currency_code":"USD","in_stock":true},{"title":"4 wheel disc","offer_id":44023620108322,"sku":"MCA5356-4","price":219.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/MCA5356_250-01.jpg?v=1754098153"},{"product_id":"wilwood-disc-brakes-adjustable-proportioning-valve-and-bracket","title":"Proportioning Valve Kit, Side Mount","description":"Proportioning Valve Kit, Wilwood Adjustable, Side mount\nAdjustable Prop Valve\nMaster Cylinder Bracket\nMaster Cylinder Hard Lines\nBrake Light Switch\nHard Line Adpter Fittings\nThese components allow you to adjust the amount of fluid flow to the rear brakes","brand":"Wilwood Disc Brakes","offers":[{"title":"Default Title","offer_id":44023623155746,"sku":"260-13190","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/WPV001-WX73om.png?v=1754098352"},{"product_id":"1953-56-ford-f-100-truck-master-cylinder-kit-drum-brakes-kit-drum-brakes","title":"1953-56 Ford F-100 Truck Master Cylinder kit, Drum Brakes","description":"\u003cp\u003eOur master cylinder adapter kit for your 1953-56 Ford F-100 is a must by today's standards. It allows you to mount a much safer dual reservoir master cylinder in the stock location on the frame. This setup allows you to keep your OE brake pedal. \u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023688101922,"sku":"MCA5356-D","price":181.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/MCA5356-D_500W-2qSftF.png?v=1754101633"},{"product_id":"wilwood-master-cylinder-aluminum-tandem-chamber-disc-brake-conversion-with-adjustable-proportioning-valve","title":"Wilwood Master Cylinder, Aluminum Tandem Chamber Disc Brake Conversion with Adjustable Proportioning Valve","description":"\u003cp\u003eWilwood's high-pressure die casting of premium alloy produces a high capacity body that is lightweight, looks great, and has the durability for competition. Machined billet lid captures a pressure balanced bellows gasket with 100% sealing against moisture invasion or fluid leakage. Mounting flange is slotted to accommodate installation on bolt centers between 3.22\" and 3.40\", making it a simple bolt-on to many OE mounts including the popular Chrysler, GM and Ford master cylinder bolt patterns. Each master cylinder is configured with full seperation between the front and rear reservoir chambers and fluid outlets. There is pressure access on both sides of the postion bore for right or left hand plumbing based on the mount locations.\u003c\/p\u003e \n \n\u003cp\u003eThe combination proportioning valve substantially simplifies wiring and brake proportioning adjustments on vehicles with custom brake systems. The combination block maintains full isolation between front and rear fluid circuits and is specifically designed to accompany the Tandem Chamber Master Cylinder.\u003cbr\u003e \n\u003cbr\u003e \nTotal pistion stroke of 1.10\" is distributed at a 2:1 volume ratio between the primary and secondary chambers.\u003cbr\u003e \n\u003cbr\u003e \nChoice of either 1\" or 1-1\/8\" bore sizes provides the necessary options to match the volume and pressure requirements of nearly any application.\u003c\/p\u003e \n \n\u003cp\u003eProportioning valve kit only available in black.\u003c\/p\u003e \n","brand":"Wilwood Disc Brakes","offers":[{"title":"1.125\" \/ Polished","offer_id":44023727816738,"sku":"261-13270-P","price":441.1,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Polished","offer_id":44023727849506,"sku":"261-13269-P","price":454.85,"currency_code":"USD","in_stock":true},{"title":"0.875\" \/ Polished","offer_id":44023727882274,"sku":"261-13271-P","price":441.1,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Black","offer_id":44023727947810,"sku":"261-13270-BK","price":441.1,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Black","offer_id":44023727980578,"sku":"261-13269-BK","price":454.85,"currency_code":"USD","in_stock":true},{"title":"0.875\" \/ Black","offer_id":44023728013346,"sku":"261-13271-BK","price":441.1,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Standard","offer_id":44023728078882,"sku":"261-13270","price":395.23,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Standard","offer_id":44023728111650,"sku":"261-13269","price":454.85,"currency_code":"USD","in_stock":true},{"title":"0.875\" \/ Standard","offer_id":44023728144418,"sku":"261-13271","price":395.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/101_4879_500W-2YvDa8.png?v=1754104311"},{"product_id":"drum-brake-master-cylinder-and-metering-valve-kit","title":"Drum Brake Master Cylinder and Metering Valve Kit","description":"\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThis drum brake master cylinder with GM style metering valve is just what you need to add safety to your drum brake system.  Our master cylinder has a 1.00\" bore diameter which creates more line pressure for manual brake applications  The metering valve will control fluid flow from the master cylinder causing the rear drum brakes to engage just before the front brakes. This allows the car to settle evenly under braking instead of nose diving. Designed for firewall or floor mounted brake systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eSpecs:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e1\" bore\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eGM type metering valve\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023733125154,"sku":"MCPVU-D","price":187.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/mcpvu-d_2_250.jpg?v=1754104658"},{"product_id":"gm-disc-brake-conversion-master-cylinder-1-bore-aluminum-corvette-type","title":"GM Disc Brake Conversion Master Cylinder, 1\" Bore,  Aluminum Corvette Type","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003ePerformance Online offers master cylinders for your custom conversion or for replacement. Our Corvette style 1\" deep bore master cylinder incorporates a piston bore adapter which allows it to be used for manual or power disc brake applications. Our exclusive slotted mounting holes allow it to work on a large variety of applications, including Ford, Chevy, Mopar and many more\u003c\/span\u003e\u003c\/p\u003e \n \n\u003cul\u003e \n\u003c\/ul\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023851057186,"sku":"AMC82019","price":116.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/AMC82019_250.jpg?v=1754106136"},{"product_id":"master-cylinder-rebuild-kit","title":"GM Master Cylinder Rebuild Kit, 1\" Deep Bore","description":"\u003cp\u003eNow available is our GM Corvette style disc brake master cylinder rebuild kit. This kit is for twin bail master cylinders with a 1.00\" deep bore piston.\u003c\/p\u003e \r\n \r\n\u003cp\u003e\u003cstrong\u003eIncludes:  \u003c\/strong\u003e\u003c\/p\u003e \r\n \r\n\u003cul\u003e \r\n\t\u003cli\u003e1.00\" Deep bore piston\u003c\/li\u003e \r\n\t\u003cli\u003eSpring assembly\u003c\/li\u003e \r\n\t\u003cli\u003eNew vented lid gasket\u003c\/li\u003e \r\n\u003c\/ul\u003e \r\n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44023894409250,"sku":"MCRBK","price":41.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/MCRBK_250.jpg?v=1754106560"},{"product_id":"wilwood-disc-brakes-residual-pressure-check-valve","title":"Wilwood Disc Brakes - Residual Pressure Check Valve","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eBrake fluid bleed back causes an initial low brake pedal feel and excessive brake pedal travel. The 2lb valve is for disc brake applications and keeps fluid from flowing back with out causing brakes to engage or drag. The 4lb valve is recommended for high vibration applications or heavy braking situations. The 10lb valve is for drum brake applications to compensate for drum brake return spring tension.\u003c\/span\u003e\u003c\/p\u003e \n \n\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eFits: All brake applications\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Wilwood Disc Brakes","offers":[{"title":"10 lb.","offer_id":44024286937122,"sku":"260-13784","price":25.11,"currency_code":"USD","in_stock":true},{"title":"4 lb.","offer_id":44024286969890,"sku":"260-15366","price":27.71,"currency_code":"USD","in_stock":true},{"title":"2 lb.","offer_id":44024287002658,"sku":"260-13783","price":25.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/RPV_250W.jpg?v=1754111066"},{"product_id":"wilwood-compact-tandem-chamber-master-cylinder-aluminum","title":"Wilwood Compact Tandem Chamber Master Cylinder, Aluminum","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003eWilwood’s Compact Tandem Master Cylinders provide the ultimate high performance solution for pressure actuation and fluid control in a wide range of applications, especially when space is limited. This compact unit maintains a full 1.12” of stroke capacity providing output volume equal to larger body cylinders. \u003c\/span\u003e\u003cbr\u003e\r\n\u003cspan style=\"color:#000000\"\u003eChoice of 1\" or 1-1\/8\" bore sizes to match the volume and pressure requirements of most any application\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Wilwood Disc Brakes","offers":[{"title":"1.125\" \/ Bright","offer_id":44024342904866,"sku":"260-14960-P","price":352.86,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Bright","offer_id":44024342937634,"sku":"260-14959-P","price":352.86,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Black","offer_id":44024343003170,"sku":"260-14960-BK","price":352.86,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Black","offer_id":44024343035938,"sku":"260-14959-BK","price":352.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/260-14959-BK-med-oDmRlq.png?v=1754112542"},{"product_id":"master-cylinder-lid-gasket-gm-drum-brake-type-dual-reservoir","title":"Master Cylinder Lid Gasket, GM Drum Brake Type, Dual Reservoir","description":"\u003cp\u003e\u003cspan style=\"color:#000000\"\u003ePerformance Online offers master cylinder lid gaskets for replacement. Our GM style dual reservoir drum brake master cylinder incorporates high quality made rubber design and is an exact replacement for your 1967-70 GM drum brake master cylinder. \u003cstrong\u003eSee detailed image for style of master cylinder this fits.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44024727994402,"sku":"42070","price":12.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/Master_20Cylinder_20Gasket_20-_2042070_20-_20WEB_c8deef29-0ec5-4625-ac30-b1b4f233530c.jpg?v=1754117956"},{"product_id":"baer-brakes-remaster-master-cylinder-black-anodized","title":"Baer Brakes Remaster Master Cylinder, Black Anodized","description":"\u003cp\u003eThe Baer Brakes Remaster master cylinder features a 1-piece body machined out of 6061 T6 billet aluminum.  Left side ports and a 2-bolt mounting flange fits many Ford and GM applications. The billet top attaches with 6 allen screws and has two large billet aluminum, knurled screw-on caps making for easy filling without spillage. The outlet port design allows for either inverted flare (w\/included removable seats) or banjo style, straight fittings.\u003c\/p\u003e \n","brand":"Baer Brakes","offers":[{"title":"1.00\" \/ Right Hand","offer_id":44024742084642,"sku":"6801273RP","price":467.09,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Right Hand","offer_id":44024742117410,"sku":"6801274RP","price":467.09,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Left Hand","offer_id":44024742182946,"sku":"6801273LP","price":467.09,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Left Hand","offer_id":44024742215714,"sku":"6801274LP","price":467.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/Black-RP_600W-H0Zzmu.png?v=1754118234"},{"product_id":"baer-brakes-remaster-master-cylinder-gray-anodized","title":"Baer Brakes Remaster Master Cylinder, Gray Anodized","description":"\u003cp\u003eThe Baer Brakes Remaster master cylinder features a 1-piece body machined out of 6061 T6 billet aluminum.  Left side ports and a 2-bolt mounting flange fits many Ford and GM applications. The billet top attaches with 6 allen screws and has two large billet aluminum, knurled screw-on caps making for easy filling without spillage. The outlet port design allows for either inverted flare (w\/included removable seats) or banjo style, straight fittings.\u003c\/p\u003e \n","brand":"Baer Brakes","offers":[{"title":"1.00\" \/ Right Hand","offer_id":44024743395362,"sku":"6801238RP","price":467.09,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Right Hand","offer_id":44024743428130,"sku":"6801266RP","price":467.09,"currency_code":"USD","in_stock":true},{"title":"1.00\" \/ Left Hand","offer_id":44024743493666,"sku":"6801238LP","price":467.09,"currency_code":"USD","in_stock":true},{"title":"1.125\" \/ Left Hand","offer_id":44024743526434,"sku":"6801266LP","price":467.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/Gray_600W_d326426a-7fb3-457a-adc6-000e9b9c149a.jpg?v=1754118251"},{"product_id":"master-cylinder-lid-gasket-ford-dual-reservoir","title":"Master Cylinder Lid Gasket, Ford Dual Reservoir","description":"\u003cp\u003eThis master cylinder reservoir cover gasket is designed to keep brake fluid where it's supposed to be. They are manufactured from OEM-quality rubber and install easily on the factory master cylinder reservoir cover.\u003cspan style=\"color:#000000\"\u003e \u003cstrong\u003eSee detailed image for style of master cylinder this fits.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \n","brand":"Performance Online (POL)","offers":[{"title":"Default Title","offer_id":44024758042658,"sku":"42069","price":10.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/files\/42069_1_600W-XgliD8.png?v=1754118482"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/7642\/8578\/collections\/c-1099-617.jpg?v=1756912287","url":"https:\/\/www.performanceonline.com\/collections\/ford-f-1-f-100-master-cylinders-proportioning-valves.oembed?page=4","provider":"Performance Online","version":"1.0","type":"link"}