Doug's Mid Length Headers - 1-7/8 in Primary - 3 in Collector - Black - GM LS-Series - GM F-Body 1970-81 (Pair) 51111231 100 in Bore

100 in Bore

Oil Cooler - 7 1/2" x 12" x 3 7/8"

M6 terminals for FHR anchor attachment and homologated for use with approved head and neck devices

Makes Adjusting coil-overs easy & hassle free

Doug's Mid Length Headers - 1-7/8 in Primary - 3 in Collector - Black - GM LS-Series - GM F-Body 1970-81 (Pair) 51111231 100 in BoreProduct 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