Brand Gearhead
Port Quantity 4
Type Master Cylinder
Items Included Prop Valve with Side Mount Kit, Master Cylinder, Brake Booster

Check the listing for details. 1955 1956 1957 8" Dual BLACK Brake Booster Bail Master Disc Drum Proportioning. Condition: New. Listed at 163.65 USD. This combination proportioning valve is for Disc/Drum applications. This valve performs all the necessary functions when using disc brakes in the front and drum brakes in the rear. This is the best deal you'll find on a quality setup like this.

$81.83
$163.65