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

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

Interchange: Brand  Interchange Part Number BMW 18 30 7 647 041 BMW 18307647041 BMW 18 30 7 647 041 BMW 18307647041

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

1968-1971 Plymouth Road Runner

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.