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Dougs is one of the leading header manufactures in the world building quality into every design. These headers are a full-length tube design made from mild steel. The primary tube is 1-3/4" and they have a 3/8" one-piece flange with a 3" collector. The SAP (same as port) ports will work on most D-port heads including ZZ4 crate engines and most angle plug heads. The original bellhousing frame mounts must be removed and these will work with Danchuk motor mounts and transmission mounts. Will clear 605/500 steering boxes but you must use an original (3719487) or reproduction V8 pitman arm. Will not work with 6-cylinder pitman arms. Danchuk # 12206 are bare paintable steel and they will work in any 1955-1957 classic Chevy. Will not work with manual transmission column shift. Please check header clearance before mounting and painting, modified headers cannot be returned. Oversize and/or overweight shipping charges will be applied to this item.
Danchuk has the largest selection of quality 55, 56, 57 parts for your classic Chevy project.