Adjustable Proportioning Valve - Black APV1 air-cleaner-assemblies 6L V8 1977 - 1978

6L V8 1977 - 1978 Chevrolet K20 Cheyenne 305/5

There is no need to purchase a custom EFI fuel tank

5L/V6 2015 Lincoln Navigator Base 3

1968-1971 Plymouth Road Runner

7 V8 1981 - 1985 GMC C1500 Suburban 305/5 V8 1980 - 1985 GMC C2500 350/5

Adjustable Proportioning Valve - Black APV1 air-cleaner-assemblies 6L V8 1977 - 1978Universal design Adjustable Black finish Maximum pressure regulation 300 psi. Inlet port of valve: 1 8" 27 NPT Standard adaptors: 3 8" 24 for 3 16" line included Mounting hole diameter: . 250" (two) Adjustable proportioning valves are essentially pressure reducing valves and are often utilized in disc drum, disc disc and drum drum braking systems. The valve is used to control front to rear brake pressure bias and will work for all types of vehicles.