855.444.6872 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE

Doug's Headers 1978-88 GM G-Body Small Block 1 3/4" Long Tube Header D336

Doug's Headers 1978-88 GM G-Body Small Block 1 3/4" Long Tube Header D336
Doug's Headers 1978-88 GM G-Body Small Block 1 3/4" Long Tube Header D336Doug's Headers 1978-88 GM G-Body Small Block 1 3/4" Long Tube Header D336
from $1,512.37 st

Available Options

*
Model: 5124692
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
SELECT
OPTIONS
STORE PICKUP
[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
D336.pdf417.27KB
D336-B.pdf417.27KB

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 El Camino 1978 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1979 4.4L / 267 / V8
5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1980 4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1981 4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1982 4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1983 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1984 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1985 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1986 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet El Camino 1987 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Malibu 1978 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Malibu 1979 4.4L / 267 / V8
5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Malibu 1980 4.4L / 267 / V8
5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Malibu 1981 4.4L / 267 / V8
5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Malibu 1982 4.4L / 267 / V8
5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Malibu 1983 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1978 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1979 4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1980 4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1981 4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1982 5.7L / 350 / V8
4.4L / 267 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1983 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1984 5.7L / 350 / V8
5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1985 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1986 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1987 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Chevrolet Monte Carlo 1988 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Oldsmobile Cutlass 1978 5.7L / 350 / V8
5.0L / 305 / V8
Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Oldsmobile Cutlass 1979 5.7L / 350 / V8
5.0L / 305 / V8
Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Oldsmobile Cutlass 1980 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Bonneville 1983 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Bonneville 1984 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Bonneville 1985 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Bonneville 1986 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1978 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1979 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1980 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1983 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1984 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1985 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1986 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length
Pontiac Grand Prix 1987 5.0L / 305 / V8 Fits Factory Installed Chevrolet 265-350 small block engines.
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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Must use non-shell type motor mounts.
Full-length

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 3.0 IN
Collector Port Diameter 3.0 IN
Cylinder Head Port Shape Oval
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 Oval
Primary Tube Outside Diameter 1.75 IN
Proposition 65 www.P65Warnings.ca.gov
Tube Wall Thickness 16 GU
Warranty Time 24 Months

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Doug's Headers 1978-88 GM G-Body Small Block 1 3/4" Long Tube Header D336: