Headers, Dougs, 1964-77 Chevrolet A-Body Gen3/LS, 1-3/4", Full Length

1964-72 GM A-Body Headers, (LS Swap, 1-3/4", Long Tube), by Doug’s Headers®

1.75-inch primary tubes, 3.0-inch collectors and steel long-tube construction.

Doug’s Headers® long-tube headers use 1.75-inch primary tubes and 3.0-inch collectors. The steel tubes meet 3/8-inch head flanges, and the pair includes header gaskets and mounting hardware. Choose metallic ceramic or high-temperature black according to the selected option.

• Construction: steel long-tube headers; 16-gauge tubing and 3/8-inch head flanges. • Primary tube diameter: 1.75 inches; collector diameter: 3.0 inches. • Collector connection: V-Band; exhaust-port shape: Round. • Finish options: metallic ceramic, high-temperature black. • Supplied as a left/right pair with header gaskets and mounting bolts. • Fitment: 1970–72 Buick GS. • Fitment: 1964–72 Buick Skylark/Sportwagon. • Fitment: 1964–72 Chevrolet Chevelle & El Camino. • Fitment: 1964–67 Chevrolet Malibu. • Fitment: 1971–72 GMC Sprint. • Fitment: 1964–72 Pontiac GTO/LeMans. • Fitment: 1964–70 Pontiac Tempest. • Factory Z-bar manual-clutch linkage is incompatible; GM LS engine conversion; Oxygen-sensor extension harness supplied; Requires Doug’s Headers® SK100 LS adapter plates or equivalent.