Doug's Full Length Headers - 1-7/8 in Primary - 3 in Collector - Black - GM LS-Series - GM Fullsize Truck 1963-72 (Pair) Oil Cooler braided copper 12-gauge ground straps

braided copper 12-gauge ground straps have non-insulated ring terminals on each end

It features automatic air sampling and an internal fan control to provide highly accurate results

This Main Support Windage Tray is for Ford 429-460

3 in Straight Outlet

325 in Deck

Doug's Full Length Headers - 1-7/8 in Primary - 3 in Collector - Black - GM LS-Series - GM Fullsize Truck 1963-72 (Pair) Oil Cooler braided copper 12-gauge ground strapsProduct Description: Headers Full Length 1. 875 in Primary 3 in Collector Steel Black Paint 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. Our