Doug's Mid Length Headers - 1-7/8 in Primary - 3 in Collector - Black - GM LS-Series - GM F-Body 1970-81 (Pair) Bill Miller Engineering Available with two 3/4" holes

Available with two 3/4" holes or a 2" slot

Z-21 Series 2

036 in Bore

24-5/8 x 12-7/16 x 3/8 in

This simple kit slips over and welds to the stock rods and can be trimmed to fit virtually any chassis

Doug's Mid Length Headers - 1-7/8 in Primary - 3 in Collector - Black - GM LS-Series - GM F-Body 1970-81 (Pair) Bill Miller Engineering Available with two 3/4" holesProduct Description: Headers Mid Length 1. 875 in Primary 3 in Collector Steel Black Paint GM LS Series GM F Body 1970 81 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 extra