Long Tube Headers for 64-67 GTO 326-455 1-3/4in Primary Black Coated D564-B fine-lines 3L (6286cc)

3L (6286cc)

Kit provides infinite adjustment of secondary throttle blades for maximum horsepower output

Part Number: 15335

5147 281AD

Long Tube Headers for 64-67 GTO 326-455 1-3/4in Primary Black Coated D564-B fine-lines 3L (6286cc)Overview: 64 67 GTO 326 455 Long Tube Black Ctd Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. Features: 3 8" Thick machined flanges to prevent warping Precision formed long transition collectors and long tube design reduces backpressure