Hedman Street Headers - 64-73 Mustang / 66-70 Falcon/Fairlane RS003C0112 1-1/16 in x 10 Spline

1-1/16 in x 10 Spline

Guide Screw

terminals and lamp sockets

unleaded tank adapter

Reduce wheel hop

Hedman Street Headers - 64-73 Mustang / 66-70 Falcon/Fairlane RS003C0112 1-1/16 in x 10 SplineHedman Hedders Standard Uncoated Headers; 1 1 2" Tube Diameter; 2 1 2" Collector; Shorty Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Ford Mustang headers for nearly as long as