Doug's Full Length Headers - 1-3/4" Primary - 3" Collector - Steel - Metallic Ceramic - Oldsmobile V8 - GM A-Body 1965-75 H77715FM It provides an in and

It provides an in and out port for installing an oil cooler in almost any application

625 in Length

16 to 22 in Tall

This filler neck flange accepts a standard radiator cap and fits Chevy intakes

Doug's Full Length Headers - 1-3/4" Primary - 3" Collector - Steel - Metallic Ceramic - Oldsmobile V8 - GM A-Body 1965-75 H77715FM It provides an in andProduct Description: Headers 1. 75 in Primary 3 in Collector Steel Metallic Ceramic Oldsmobile V8 GM A Body 1965 75 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 thick