The 4 port master cylinder in this kit has 1" Bore. These Mounting Brackets and Rod Extension are designed for a 1960-1966 Chevy C10 C20 Truck. Drum Brakes require residual pressure of 10 lbs. to be held in the line.
Brake Master Cylinder w/ Reservoir for Chevy Suburban 1960-1966 GMC C10 Pickup
Fits 1960-63 Chevrolet C10 Pickup Front Brake Wheel Cylinder 20932,20933 LH & RH
For 1960-1970 Chevrolet C10 Pickup Brake Drum AC Delco 65742JDQC 1966 1965 1969
Wagner Brake Front Drum Brake Shoe for 1960-1963 Chevrolet C10 Pickup - ky
For 1960-1970 Chevrolet C10 Pickup OE Equivalent Fuel Tank Cap Gates 177YJ15
For 1960-1974 Chevrolet C10 Pickup Water Temperature Sender SMP 62361VC 1961