Doug's Headers D313-R - Doug's Headers for GM Passenger Cars

Doug's Headers #776-D313-R

Uncoated/Raw Headers

1965-74 Big Block 396-502

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 D313-R - Doug's Headers for GM Passenger Cars Details

Fits:

1965-72 Chevelle/El Camino
1967-74 Camaro
1968-74 Chevy II, Nova,
1968-74 Passenger Cars, Wagon
1970-74 Monte Carlo

Notes:

Will not fit Saginaw close ratio with 825 power steering box.
Big block frame stands and motor mounts must be used to insure proper engine location and header fit.
Does not fit with powerglide transmission.
Does not fit column automatic transmission for camaro.

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	Y	Y	N	N

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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