
1978-87 Chevy
Truck Front Disc/Rear Drums Proportioning Valve
Works on all 1978-87 Chevy and GMC full size trucks that have front disc brakes
and drum rear brakes.
Works on half ton through one ton, 2 and 4 wheel drive
Our Proportion Valve comes with a 1 year warranty.
For use on Disc/Drum Setup Only
Our brake proportioning valve has a 9/16"-18 connection for Rear Brakes & Dual 3/8"-24
ports for the front brakes.
The connections from the Master Cylinder are 1/2"-20 and 7/16"-24.
This valve comes with a 1 year warranty.
We also offer a pigtail
for the prop valve wire sensor and a
prop
valve bleeding tool in the related items section of this page.
If you drive a Chevrolet or GMC full-size truck from model years 1981 - 1987, then this is the correct brake proportioning valve for your front disc and rear drum brakes. This part works on full-size Chevy and GM trucks from half ton through one ton, whether it's a 2-wheel drive or a 4-wheel drive.
This part is designed to fit the following vehicles.
Chevy Truck 1978Average
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