Hedman Street Headers - 1.75 in Primary - 3 in Collector - Small Block Chevy - GM Fullsize SUV / Truck 1967-87 - Pair NPT Bulkhead Fittings and mechanical engineering

and mechanical engineering

The real test is at the track

1958-1968 American Motors American

Viscosity typcial of 15W-50

underground

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Small Block Chevy - GM Fullsize SUV / Truck 1967-87 - Pair NPT Bulkhead Fittings and mechanical engineeringHedman Hedders 67 87 C10 C20 Trucks With Sb Chevy; Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Mid Length Design Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders 67 87 C10 C20 Trucks With Sb Chevy Standard Uncoated Headers 1 3 4" Tube Diameter 3" Collector Mid Length Design Vehicle Applications: 1979 1986 GMC C1500 Suburban 1987 1991 GMC R1500 Suburban 1975 1978 GMC