Hedman Hedders Long Tube LS Swap Headers - 1.75 in Primary - 3 in Collector - Silver Ceramic - GM LS-Series - GM A-Body 1968-72 (Pair) 326-R-OR 4-1/4 in Speed

4-1/4 in Speed

The USSA created a special class for racing

425 in Bore

they feature zero fiberglass and are clear-coated for the highest quality construction

2-1/4 in Thick

Hedman Hedders Long Tube LS Swap Headers - 1.75 in Primary - 3 in Collector - Silver Ceramic - GM LS-Series - GM A-Body 1968-72 (Pair) 326-R-OR 4-1/4 in SpeedProduct Description: Headers LS Swap Full 1. 75 in Primary 3 in Collector Gaskets Hardware Reducers Included Steel Silver Ceramic GM LS Series GM A Body 1968 72 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