{"title":"Proportioning Valves and Accessories 1964-88 Chevy Chevelle, El Camino, Buick Skylark, Oldsmobile Cutlass","description":"","products":[{"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_600.jpg?v=1768427918"},{"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\/PVWC.jpg?v=1783031932"},{"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":"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_d7d411dd-de90-471e-b5f9-fa0fa9af995f.jpg?v=1754077831"},{"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\/pvks-2c_Med.jpg?v=1783033761"},{"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.jpg?v=1754084986"},{"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\/RCV02_600W_2fa5d904-e6ad-408b-97d8-1014cb81e680.jpg?v=1783031832"},{"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.jpg?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":"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.jpg?v=1754098352"},{"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\/260-13783_600W.jpg?v=1754111066"}],"url":"https:\/\/www.performanceonline.com\/collections\/proportioning-valves-and-accessories-64-72-chevy-chevelle-a-body.oembed","provider":"Performance Online","version":"1.0","type":"link"}