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

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.

View other products from this brand in our Doug's Headers Performance Engine Parts category.

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