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Doug's Headers 1 3/4" 4-Tube Full Length D-Port Headers Pontiac Catalina 326-455 65-68 Metallic Ceramic Coating

Doug's Headers
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  • DHE-D521
    • DHE-D521
    Pontiac 1965-1968 326-455 Catalina & 2+2, Grand Prix, Bonneville D-Port Headers, 326-455 1 3/4" Pipe 3" Collector (Ceramic Coated)

    Description

    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 finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees

    Doug's COATED(-C) Headers come with a ceramic heat barrier and rust proof coating (polished aluminum color)