Hooker Super Competition Headers - 1.75 in Primary - 3 in Collector - Metallic Ceramic - Small Block Chevy - GM X-Body 1962-67 - Pair Rack & Pinions Steering Boxes & Components Bracket has two 5/16" mounting

Bracket has two 5/16" mounting holes to secure bracket to the frame or inner bumper

000 in ID Bearing

so we felt that to be fair

and 20 years in automotive competition

Hooker Super Competition Headers - 1.75 in Primary - 3 in Collector - Metallic Ceramic - Small Block Chevy - GM X-Body 1962-67 - Pair Rack & Pinions Steering Boxes & Components Bracket has two 5/16" mountingHooker Headers Super Comp Header 2243 1HKR Metallic Ceramic Coating Full Length Tube 1. 75 in. x 31 in. OD Collector Size 3 in. OD Collector Length 10 in. Port Shape Same As Port Fits w Angle Plug Heads Long Tube Lengths Long Transition Collectors Monstrous Low Mid Range Torque Keep Top End Horsepower Provides Finest Fit Most Durable Design Available Vehicle Applications: 1963 1967 Chevrolet Chevy II Hooker holds to its claim of the winningest header