Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair H77603FXL 1973-1974 GMC K25/K2500 Suburban

1973-1974 GMC K25/K2500 Suburban

5 Male Commonly used for oil pressure sensor / line installation on GM LS engines when connecting to the port on the top of the block behind the intake manifold

Gasket Header Bolts 916 Socket Head - 3/8 in

oil and grease

2003-2003 Sterling Truck L7500

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair H77603FXL 1973-1974 GMC K25/K2500 SuburbanHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 3 4" Tube