Doug's Headers D325-R Full Length Header, 2 In, 68-72 Chevelle, Raw
Chevy Big Block V8, Pontiac V8, Chevy Small Block V8
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Doug's PASSENGER CAR HEADERS Long Tube Raw Steel Header 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 is left unfinished (raw steel) for individual customizing
Application1970-1972 Chevrolet Camaro 6.6L/402 V8
1968-1969 Chevrolet Chevelle 6.5L/396 V8
1970-1973 Chevrolet Chevelle 6.6L/400 V8
1970-1972 Chevrolet Chevelle 6.6L/402 V8
1970-1972 Chevrolet Chevelle 7.4L/454 V8
1968-1969 Chevrolet El Camino 6.5L/396 V8
1970-1976 Chevrolet El Camino 6.6L/400 V8
1970-1971 Chevrolet El Camino 6.6L/402 V8
1970-1975 Chevrolet El Camino 7.4L/454 V8
1973-1976 Chevrolet Malibu 6.6L/400 V8
1973-1975 Chevrolet Malibu 7.4L/454 V8
1970-1973 Pontiac Firebird 6.6L/400 V8
1971-1974 Pontiac Firebird 7.5L/455 V8
- Doug's Headers D325-R 2" 4-Tube Full Length Header Chevrolet Chevelle Big Block Chevrolet 68-72 Raw Steel
- Raw Steel
- Collector: 3 1/2
- Port: SAP
- Primary: 2
- Use Big block frame stands and mounts
- Does not fit W/powerglide or Saginaw 825 steering
- exc. states w/Calif. emission stds
- removal/modification of locking steering column req.
- with A/C
- For Off-Road Use Only
- with Floor Shifter
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Q & A
Maintaining your headers is an important part of any hot rod. Pat gives some tips and demonstrates how well Purple Metal Polish works for keeping your headers looking great.
Wouldn't it be nice to get the best of both worlds out of your headers? Speedway Motors has solved that problem with our exclusive heat resistant Armor Hot Coating. Now you can keep that great look with longer life.
Our Tru-Ram Exhaust Manifolds are one of our most popular items. Tim provides more details about them and gives you a great look at them.
Tim gives a little bit of history on the Ford Y Block and shows some of the parts we have to offer.