Doug's Full Length Headers - 1-3/4" Primary - 3" Collector - Silver Ceramic-Metallic - Pontiac V8 GTO 1968-72 Bulkhead Fittings Simpson's Air Boss handmade 8-foot

Simpson's Air Boss handmade 8-foot and 10-foot canopy drag parachutes deliver enough stopping power for most drag cars that reach up to 200 mph

188 in Thick

The distributor caps are stress-relieved immediately after molding to ensure dimensional stability

1965-1985 Chevrolet Impala

Doug's Full Length Headers - 1-3/4" Primary - 3" Collector - Silver Ceramic-Metallic - Pontiac V8 GTO 1968-72 Bulkhead Fittings Simpson's Air Boss handmade 8-footProduct Description: Headers 1. 75 in Primary 0. 375 in Thickness 3 in Collector Steel Silver Ceramic Metallic Pontiac V8 GTO 1968 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.