Doug's Full Length Headers - 1.875 in Primary - 3.5 in Collector - Ceramic - Pontiac V8 - GM A-Body 1964-72 - Pair 91619069 Block mount to fan hub

Block mount to fan hub dimension is 5-5/8"

Idle Mixture Screw Replacement Cork Gasket

Cup Holder Mount

Racetrack Series

Doug's Full Length Headers - 1.875 in Primary - 3.5 in Collector - Ceramic - Pontiac V8 - GM A-Body 1964-72 - Pair 91619069 Block mount to fan hubProduct Description: Headers Full Length 1. 875 in Primary 3. 5 in Collector Steel Ceramic Pontiac V8 GM A Body 1964 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 extra