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Vehicle Info NeededBlack Hi-Temp Coated Headers 1970-1981 Pontiac 326-455 1-7/8" Tube Diameter
Ships on Sep 14, 2026
Lowest Price GuaranteeFits:
- 1970-1981 Firebire, Trans Am
Notes:
- Requires removal or modification of locking steering columns if equipped.
- Fits Edelbrock Performer, RAM-Air, Super Duty and H.O. heads only.
- Header fits with Milodon oil pans 697-30355, 697-31660 and 697-31665.
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 vehicleengines (pre-1974 domestic vehicles certified to California standards, pre-1974domestic vehicles certified to federal standards and all pre-1974 foreignvehicles), 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 |
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Every Doug's Header is Tuned with the Proper Tube Size & 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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Features:
- Thick Flanges Prevent Warping
- Stitch Welded Ports for Added Strength
- Machined Sealing Bead Eliminates Leaks
- Heavy Gauge Tubing for Longer Life
- Precision-Formed Collectors Reduce Back Pressure
- CNC Mandrel-Bent Tubing Provides Accurate Fit & Better Flow
See More Info for Applications Listing
