Hedman Street Headers - 1.75 in Primary - 3 in Collector - Small Block Chevy - GM Fullsize SUV / Truck 1967-87 - Pair NPT Bulkhead Fittings Viscosity typcial of 15W-50

Viscosity typcial of 15W-50

1958-1968 American Motors American

Works with base and LED packages

The real test is at the track

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Small Block Chevy - GM Fullsize SUV / Truck 1967-87 - Pair NPT Bulkhead Fittings Viscosity typcial of 15W-50Hedman 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