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Doug's Headers 1964-75 Chevy A-Body Small Block 1 3/4" Long Tube Header D369

Doug's Headers 1964-75 Chevy A-Body Small Block 1 3/4" Long Tube Header D369
Doug's Headers 1964-75 Chevy A-Body Small Block 1 3/4" Long Tube Header D369Doug's Headers 1964-75 Chevy A-Body Small Block 1 3/4" Long Tube Header D369
from $1,544.89 st

Available Options

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Model: 5124742
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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[More Info]
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.
Features:
  • 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
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
D369.pdf392.47KB
D369-B.pdf392.47KB

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 Chevelle 1964 4.6L / 283 / V8
5.3L / 327 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Not Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1965 4.6L / 283 / V8
5.3L / 327 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Not Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1966 4.6L / 283 / V8
5.3L / 327 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Not Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1967 4.6L / 283 / V8
5.3L / 327 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Not Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1968 5.3L / 327 / V8
5.0L / 307 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Not Legal for use on 1968 Chevelle Emission Vehicles in 50 States
Not Legal for use on 68-73 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1969 5.0L / 307 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-73 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1970 5.0L / 307 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-73 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1971 5.0L / 307 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-73 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1972 5.0L / 307 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-73 Chevelle Emission Vehicles in 50 States
Chevrolet Chevelle 1973 5.0L / 307 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-73 Chevelle Emission Vehicles in 50 States
Chevrolet El Camino 1964 5.3L / 327 / V8
4.6L / 283 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-69 El Camino Emission Vehicles in 50 States
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Chevrolet El Camino 1965 5.3L / 327 / V8
4.6L / 283 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-69 El Camino Emission Vehicles in 50 States
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Chevrolet El Camino 1966 5.3L / 327 / V8
4.6L / 283 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-69 El Camino Emission Vehicles in 50 States
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Chevrolet El Camino 1967 5.3L / 327 / V8
4.6L / 283 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Legal for use on 64-67 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-69 El Camino Emission Vehicles in 50 States
Legal for use on 64-67 Chevelle Emission Vehicles in 50 States
Chevrolet El Camino 1968 5.7L / 350 / V8
5.0L / 307 / V8
5.3L / 327 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-73 El Camino Emission Vehicles in 50 States
Legal for use on 64-67 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-69 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1969 5.7L / 350 / V8
5.0L / 307 / V8
5.3L / 327 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-73 El Camino Emission Vehicles in 50 States
Legal for use on 64-67 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-69 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1970 6.6L / 400 / V8
5.7L / 350 / V8
5.0L / 307 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 70-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-73 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1971 6.6L / 400 / V8
5.7L / 350 / V8
5.0L / 307 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 70-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-73 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1972 6.6L / 400 / V8
5.7L / 350 / V8
5.0L / 307 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 70-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-73 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1973 6.6L / 400 / V8
5.7L / 350 / V8
5.0L / 307 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 70-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-73 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1974 6.6L / 400 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 70-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Chevrolet El Camino 1975 6.6L / 400 / V8
5.7L / 350 / V8		 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 70-75 El Camino Emission Vehicles in 50 States
Not Legal for use on 68-75 El Camino Emission Vehicles in 50 States
Chevrolet Malibu 1975 5.7L / 350 / V8 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
Requires removal or modification of locking steering columns if equipped
Will fit 168-tooth flywheel if used with PerTronix starter PN S3002P/B or Powermaster PN 9500
Full-length
Not Legal for use on 73-75 Malibu Emission Vehicles in 50 States

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 3.0 IN
Collector Port Diameter 3.0 IN
Cylinder Head Port Shape SAP
Design Full-length
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Style Full-length
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape SAP
Primary Tube Outside Diameter 1.75 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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