Blazer/GMC Jimmy Full Size Front Disc/Rear Drums Proportioning Valve
Works on all 1978-86 Chevy and GMC full size Blazers/Jimmys that have front disc brakes and drum rear brakes.
Works on2 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 Blazer/Jimmy from model years
1978 - 1986 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 Blazers/Jimmys
2-wheel drive or a 4-wheel drive.
Fits the following Blazer/Jimmy models:
This part is designed to fit the following vehicles.Chevy Blazer 1978
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