Hedman Street Headers - 70-74 Challenger / 66-74 Charger / 68-74 Road Runner Tubing Cutter To manufacture the valves

To manufacture the valves

750 in ID x 0

Contrasting Red Leg Stripes

Black Wrist Cuffs

higher valve spring pressures and higher engine rpm

Hedman Street Headers - 70-74 Challenger / 66-74 Charger / 68-74 Road Runner Tubing Cutter To manufacture the valvesHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length 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 classic musclecars is their specialty. Each set uses mild steel, smooth