Doug's Headers D316 Full Length Header, 1-7/8 In, 68-74 Chevelle, CC
Chevy Big Block V8, Pontiac V8, Chevy Small Block V8, Full-length Header Tube Type, Steel
Doug's PASSENGER CAR HEADERS Long Tube Metallic Ceramic CoatedHeader development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.
- 3/8" Thick machined flanges... no warping
- CNC mandrel bent tubes... accurate fit & better flow
- Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
- Heavy 16 gauge tubing... longer life
- Tubes are pre-polished to remove scratches and the header isfinished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees
Application1970-1972 Chevrolet Camaro 6.6L/402 V8
1968-1969 Chevrolet Chevelle 6.5L/396 V8
1971-1973 Chevrolet Chevelle 6.6L/400 V8
1970-1972 Chevrolet Chevelle 6.6L/402 V8
1970-1973 Chevrolet Chevelle 7.4L/454 V8
1974-1976 Chevrolet Malibu 6.6L/400 V8
1973-1975 Chevrolet Malibu 7.4L/454 V8
1970-1974 Pontiac Firebird 6.6L/400 V8
1971-1974 Pontiac Firebird 7.5L/455 V8
- Doug's Headers D316 1 7/8" 4-Tube Full Length Header Chevelle Big Block Chevrolet 68-74 Metallic Ceramic Coating
- Ceramic Coated
- Collector: 3 1/2
- Port Shape: SAP
- Primary Tube: 1 7/8
- Requires Big block frame stands and mounts
- legal for off-highway use (exc. in Calif. or states using Calif. emission standards)
- with A/C
- with Column Shift
- with Floor Shifter
- This item ships directly from the manufacturer. It may take an additional 15 business days for Dougs Headers to ship this item.
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
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Q & A
Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.
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Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.
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