1957-77 F100 Ford Truck 7" Single Pwr Brake Booster Master Cylinder, Drum Drum

7" Single Diaphragm Black PC Brake Booster Ford Truck Booster Brackets Power Booster Rod Extension 1" Dual Reservoir Master Cylinder This kit does not come with a valve. Yo should be able to use existing valve on the truck and plumb it to the master using the 2 ports (1) 1/2-20 & (1) 9/16-18 on left side.