Doug's Headers D334 - Doug's Headers for GM Passenger Cars

Doug's Headers #776-D334

Metallic Ceramic Coated Headers

1963-74 Small Block 265-400

1-3/4'' Tube Diameter

3'' Collector

SAP Port Shape

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Complete list of Doug's Headers for GM Passenger Cars

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Doug's Headers D334 - Doug's Headers for GM Passenger Cars Details

Fits:

1963-74 Corvette

Notes:

Comes with fittings to accommodate air injection.
Fits D-Port cylinder heads including ZZ4 crate engines.
Will fit most angle plug heads including factoy Chevrolet ''Bow-Tie'' heads.
Requires removal or modification of locking steering columns if equipped.
Installation requires left side A/C bracket 776-H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Emission Code:

The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.

			Automatic		Manual
A/C	P/B	P/S	Column	Floor	Column	Floor
Y	Y	Y	N	Y	N	Y

Every Doug's Header is tuned with the proper tube size and length to efficiently remove exhaust gasses from each cylinder. headers feature 3/8'' flanges and 16-gauge tubing on passenger car applications. They include all necessary mounting hardware, collector reducers or connection pipes, premium gaskets and detailed instructions. Headers are available in either a Metallic Ceramic Thermal Barrier Coating or a uncoated raw finish. The Metallic Ceramic Thermal Barrier Coating will withstand up to 1400 degree temperatures! This coating is polished which increases corrosion resistance over 60%!

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