Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 MLS Exhaust Manifold Gaskets withstand

MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials

Unlike cheap

Fiberglass dash for the Inside the Rail hood

Melling expansion/freeze plug bulk packs are available in either steel or brass depending on engine usage and customer preference

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 MLS Exhaust Manifold Gaskets withstandHedman 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