Doug's Full Length Headers - 1.75 in Primary - 3 in Collector - Ceramic - GM LS-Series - GM A-Body 1964-72 - Pair 9211CPL Sounds like dirt may have

Sounds like dirt may have gotten in the relief valve

Form-A-Barrier solves the problem of needing a light weight

making them thirty percent stronger than standard 3/4" rod ends

Connector Kit

Doug's Full Length Headers - 1.75 in Primary - 3 in Collector - Ceramic - GM LS-Series - GM A-Body 1964-72 - Pair 9211CPL Sounds like dirt may haveProduct Description: Headers Full Length 1. 75 in Primary 3 in Collector Steel Ceramic GM LS Series 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 thick