Black Disc Disc Proportioning Brake Valve + Bracket & SS 9/16" & 1/2" Port Lines

Description

This is a new BLACK Aluminum Combination / Proportioning Valve with Mounting Bracket and
with 1/2" Front and 9/16" Rear Brake Lines.
for universal applications with disc / disc brake setups.  Part #
PV4BLK w/ Side Mount Kit
.
A disc brake combination valve is a necessity when doing a drum to disc conversion.  The combination valve will provide all the valving necessary in the system.  Combination valves perform four functions...(1) Proportioning, (2) Metering, (3) Residual Pressure, and (4) System Failure Warning.
Proportioning:
As more force is applied to the brakes and the car begins to lean forward, less braking force is needed in the rear.  This valve decreases the pressure to the rear, preventing lock up.
System Failure Switch:
This valve has a system failure switch that will alert you when half of your braking system is not working properly.
This valve is a great upgrade over the original and is a must when upgrading from drum to disc brakes.  This is a universal GM valve, and will work on almost any Chevy, Buick, Oldsmobile, Cadillac, Pontiac, or GM Trucks with a GM style Master Cylinder.
This also includes the left Side Bracket Mounting Kit, which allows you to mount this to the Left (Driver's Side) of the master cylinder with or without any aftermarket or Stock Booster including 7" 8" 9" 10" and 11" sizes.
Additionally, this  includes two hard lines that connect the master cylinder (
w
ith 1/2" & 9/16" ports
) to the proportioning valve.
Note:  Lines are for use with GM style master cylinder only.
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On Jul-20-07 at 16:36:52 PDT, seller added the following information:
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