Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 Melling expansion/freeze plug bulk packs

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

Fiberglass dash for the Inside the Rail hood

2009-2011 Chevrolet Avalanche

Includes non-hooded

and highly modified street class cars operating between 3000 and 7500 rpm (higher rpm ranges possible depending on combination of parts)

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 Melling expansion/freeze plug bulk packsHedman 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