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 With the level of research

With the level of research and development in this shoe

The NecksGen tethers are made from high quality fire resistant kevlar webbing and stainless steel buckles

Displays RPM

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

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 With the level of researchProduct 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.