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Doug's Headers 1963-82 Chevy C2/C3 Corvette Small Block 1 3/4" Long Tube Header D334

Doug's Headers 1963-82 Chevy C2/C3 Corvette Small Block 1 3/4" Long Tube Header D334
Doug's Headers 1963-82 Chevy C2/C3 Corvette Small Block 1 3/4" Long Tube Header D334
from $1,627.41 st

Available Options

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Model: 5124727
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
D334.pdf353.84KB
D334-B.pdf353.84KB

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 Corvette 1963 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 1968 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1964 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 1968 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1965 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 1968 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1966 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 1968 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1967 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 1968 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1968 5.4L / 327 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Legal for use on 63-67 Corvette Emission Vehicles in 50 States
Not Legal for use on 1968 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1969 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1970 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1971 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1972 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1973 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1974 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1976 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1977 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1978 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1979 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1980 5.0L / 305 / 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 1980 Corvette Emission Vehicles in 50 States
with Long Tube
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
Chevrolet Corvette 1981 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube
Chevrolet Corvette 1982 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.
Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
Not Legal for use on 69-82 Corvette Emission Vehicles in 50 States
with Long Tube

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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