Performance Online's GM side mount proportioning valve bracket and line kit is a must when upgrading your vehicle from drum to disc. These small items are great for detailing your brake system.
•Mounts proportioning valve on driverside of master cylinder.
•Fits 1/2-20 and 9/16-18 port master cylinders
•Mounts proportioning valve on driverside of master cylinder.
•Fits 1/2-20 and 9/16-18 port master cylinders
