Hedman Stainless Headers - 1.625 in Primary - 3 in Collector - GM Fullsize SUV / Truck 1967-87 (Pair) M-6674-351 Available for 1 diameter valve

Available for 1 diameter valve cover holes

717 lx - Candela: Spread - 171

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts

Adjustable from 4-1/2 to 9 PSI

Carb recommendations: Edelbrock Thunder Series AVS or Performer Series Carb

Hedman Stainless Headers - 1.625 in Primary - 3 in Collector - GM Fullsize SUV / Truck 1967-87 (Pair) M-6674-351 Available for 1 diameter valveProduct Description: Headers 1. 625 in Primary 3 in Collector Gaskets Hardware Included Stainless Natural GM Fullsize SUV Truck 1967 87 Pair Hedman Hedders, began as a one man shop in 1954. Bob Hedman, founder of Hedman Hedders, sold his highly sought after exhaust tubes to fellow racers on the salt flats of the Mojave Desert. But, what started out as a way to make a few bucks to pay for Bobs racing hobby, quickly turned into the premier hedder