Hedman Black Elite Headers - 1.75 in Primary - 3 in Collector - Black Ceramic - GM Fullsize SUV / Truck 1967-91 (Pair) ATM9710 Peak Velocity Pick Off Testing/Graphing

Peak Velocity Pick Off Testing/Graphing (PVP)

2003-2007 Sterling Truck Acterra

breathable

bulk heads

GMC Yukon 2006-2000

Hedman Black Elite Headers - 1.75 in Primary - 3 in Collector - Black Ceramic - GM Fullsize SUV / Truck 1967-91 (Pair) ATM9710 Peak Velocity Pick Off Testing/GraphingProduct Description: Headers Black Elite 1. 75 in Primary 3 in Collector Gaskets Hardware Included Steel Black Ceramic GM Fullsize SUV Truck 1967 91 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