Headers, Hooker Comp. 65-72 Cutlass, 400/455, Long-Tube, 1-3/4" Rnrs, 3" Cllctr

1965-74 Oldsmobile Competition Headers, (400/455, 1-3/4", Long Tube), by Hooker®

Competition headers with 1-3/4-inch primaries and 3-inch collectors.

Hooker Competition headers use mandrel-bent steel tubing and long-transition collectors. The pair includes gaskets and mounting hardware. Painted and ceramic-coated options follow the selected part; reducers are sold separately.

• Primary tubes: 1-3/4-inch diameter and 27-inch nominal length; collectors: 3-inch diameter and 8-inch length. • Automatic and floor-shift manual installations are addressed by the vendor. Column-shift automatic/steering-lock rods require modification; column-shift manuals are excluded by the internal fitment note. • Some four-speed installations require lifting the engine for header placement. • Brake junction-block relocation and removal of interfering starter/fender braces may be necessary; later chassis require support-bar clearance changes. • Pair includes gaskets and mounting hardware; exhaust reducers sold separately. • Fitment: 1965–74 Oldsmobile Cutlass/442; 1971–74 Delta 88/Vista Cruiser. Oldsmobile 400/455 applications. Cutlass Supreme excluded.