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Vehicle Info NeededMetallic Ceramic Coated Headers 1968-1972 Big Block Chevy 396-502 2-1/8" Tube Diameter
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- 1968-1972 Big Block Chevy 396-502
- 2-1/8'' Tube Diameter
- 3-1/2'' Collector
- RD Port Shape
Fits: - 1968-1972 Chevy Chevelle/El CaminoEmission 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.Footnotes:
- Big block frame stands and motor mounts must be used to insure proper engine location and header fit
- One tube each side over frame
Automatic Manual A/C P/B P/S Column Floor Column Floor N Y Y Y Y Y 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
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