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Doug's Headers 1955-57 Chevy Passenger Car/Wagon 1 5/8" TRI-Y Chevy Small Block 265/283 Engine Swap Header with Metallic Ceramic Coating D357Y

Doug's Headers 1955-57 Chevy Passenger Car/Wagon 1 5/8" TRI-Y Chevy Small Block 265/283 Engine Swap Header with Metallic Ceramic Coating D357Y
$1,783.99 st
NEWARRIVING SOONEstimated Ship Date 09/01/2026 (If Ordered Today)
Model: 5124473
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
Doug's is the pioneering force behind the popular TRI-Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid-range torque without sacrificing top end power. TRI-Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency.
Features:
  • 3/8" thick machined flanges to prevent warping
  • CNC mandrel bent tubes ensure accurate fit and better flow
  • Heavy 16-guage tubing for longer life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Downloads:

Download Name File Size
D357Y.pdf335.05KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Chevrolet Bel Air 1955 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Bel Air 1956 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Bel Air 1957 4.6L / 283 / V8
4.3L / 265 / V8		 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet One-Fifty Series 1955 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet One-Fifty Series 1956 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet One-Fifty Series 1957 4.6L / 283 / V8
4.3L / 265 / V8		 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Sedan Delivery 1955 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Sedan Delivery 1956 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Sedan Delivery 1957 4.6L / 283 / V8
4.3L / 265 / V8		 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Two-Ten Series 1955 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Two-Ten Series 1956 4.3L / 265 / V8 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver
Chevrolet Two-Ten Series 1957 4.6L / 283 / V8
4.3L / 265 / V8		 Fits most angle plug heads.
Will not fit if engine is located more than 3/4” forward for HEI firewall clearance. Fits with Trans Dapt PN 4195 or 4177, Danchuck PN 871, 12184, 17756, 17757, & 16339 or equivalent
Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
Original bellhousing frame mounts must be removed.
Will fit with 605 power steering box.
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.
Will not work with Column Shift manual trans
Tri-Y
Metallic Ceramic Coated
Silver

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 2.5 IN
Collector Port Diameter 2.5 IN
Color Silver
Cylinder Head Port Shape Oval
Design Tri-Y
Finish Metallic Ceramic Coated
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Material Steel
Header Style Tri-Y
Material Steel
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape Oval
Primary Tube Outside Diameter 1.625 IN
Proposition 65 www.P65Warnings.ca.gov
Sheen Level Semi-Gloss
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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Doug's Headers 1955-57 Chevy Passenger Car/Wagon 1 5/8" TRI-Y Chevy Small Block 265/283 Engine Swap Header with Metallic Ceramic Coating D357Y:
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