Hedman HTC Hedders - 66-78 Charger / 70-74 Challenger / 68-75 RoadRunner Borla Performance Industries Moderate/Aggressive Sound

Moderate/Aggressive Sound

we use our exclusive two-step slow forging process using EV8 stainless steel on both intake and exhaust valves

Unique material works in harsh environments

The solid hub (possible gear noise) disc pack is equipped with Kevlar full facing friction material providing increased holding capacity

As the military surplus market dried up

Hedman HTC Hedders - 66-78 Charger / 70-74 Challenger / 68-75 RoadRunner Borla Performance Industries Moderate/Aggressive SoundHedman Hedders HTC Coated Headers; 1 5 8" 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