Hedman Street Headers - 83-88 Thunderbird / 79-85 Mustang 711041 DMI Torque Ball Housings

DMI Torque Ball Housings

Proper position of internal piston at higher rpm prevents lifters form harmful "pumping up"

One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc

Lo-Profile S-Blade

1966-1971 Mercury Cyclone

Hedman Street Headers - 83-88 Thunderbird / 79-85 Mustang 711041 DMI Torque Ball HousingsHedman Hedders Standard Uncoated Headers; 1 1 2" Tube Diameter; 2 1 2" Collector; Mid 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 and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 1 1 2"