Doug's Headers Full Length Headers 1-3/4" Primary 3.500" Diameter Collector Steel - Ceramic MAC-4P-KIT Introducing a tight-fit bracket system

Introducing a tight-fit bracket system for the big block 1964-68 Chevelle

25" Wide x 5

They are also height adjustable

Zamp Accessory

Whenever you are planning an engine overhaul or a cam change

Doug's Headers Full Length Headers 1-3/4" Primary 3.500" Diameter Collector Steel - Ceramic MAC-4P-KIT Introducing a tight-fit bracket systemProduct Description: Headers Full Length 1. 875 in Primary 3. 5 in Collector Steel Ceramic Big Block Chevy 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