Doug's Headers Long Tube Header 55-57 Chevy 265-400 SBC 1 3/4" Primary 3" Collector Black Hi Temp Coated

Mfg Part #

D353-B

NP#

DOUD353-B

Brand

Fitment Note

Fits most angle plug heads.; Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.; Will fit with 605 power steering box.; Does not fit with power glide transmission.; Header is designed to fit cars using original V-8 pitman arm part number 3719487 not 6 cylinder pitman arm number 3709877. Aftermarket pitman arms must be same configuration as OE for proper header fit.; Fits with Danchuk 12184, 17757 or 16639 & CCP 5557SMF-SB 3/4" Motor Mount kits; Original bellhousing frame mounts must be removed.; Will not work with Column Shift manual trans.; Full-length; Hi-Temp Black Coating

Fits 1955 to 1957 Chevrolet Bel Air, One-Fifty Series, Sedan Delivery and 1 more model. See every vehicle

• 3/8" Thick machined flanges to prevent warping
• Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
• Heavy duty 16-gauge tubing for long life
• Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating