Hedman Black Elite Headers - 1.75 in Primary - 3 in Collector - Black Ceramic - GM Fullsize SUV / Truck 1967-91 (Pair) ATM9710 1955-1957 Chevrolet Two-Ten Series

1955-1957 Chevrolet Two-Ten Series

2003-2007 Sterling Truck Acterra

Ultra low restriction - again due to the 122 to 579 square inches of filter media surface

Valve seat life increased by 25%

Hedman Black Elite Headers - 1.75 in Primary - 3 in Collector - Black Ceramic - GM Fullsize SUV / Truck 1967-91 (Pair) ATM9710 1955-1957 Chevrolet Two-Ten SeriesProduct 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