Doug's Full Length Headers - 1-7/8 in Primary - 3 in Collector - Silver Ceramic - GM LS-Series - GM Fullsize Truck 1963-72 (Pair) Freeze Plug Driver 4 Point Design - Buckle

4 Point Design - Buckle Stays on Crotch Strap

Dual Female Receptacle (4-1/2 Centers) with Mount Plate

Cooler assembly includes fan mounted coolerDerale has been the leader in performance cooling for decades

3-DOOR SURGE TANK For Road Course

Doug's Full Length Headers - 1-7/8 in Primary - 3 in Collector - Silver Ceramic - GM LS-Series - GM Fullsize Truck 1963-72 (Pair) Freeze Plug Driver 4 Point Design - BuckleProduct Description: Headers Full Length 1. 875 in Primary 3 in Collector Steel Silver Ceramic GM LS Series GM Fullsize Truck 1963 72 Pair Dougs Headers, the most respected name in the header industry since the 60s, began in 1958 as a small muffler shop in East Los Angeles, California. Every Dougs header comes with all the necessary mounting hardware, collector reducers or connector pipes, premium gaskets and detailed installation instruction sheets.