Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM F-Body / X-Body 1970-81 - Pair YA0864 and highly modified street class

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

The 85827 Distributor comes with Bronze Gear 8583 already installed and is designed for camshafts requiring a bronze distributor gear:- Made of a bronze/aluminum/nickel alloy (AMPCO 45)- Softer material will not damage the camshaft- Used with billet steel cams- Should be changed more frequently than other gear materialsMust be used with MSD ignition

Includes non-hooded

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 and highly modified street classHedman 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