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The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine
and street applications
They weigh only 2
while increasing thermal conductivity
TH400 Turbo 400 Transmission Billet Aluminum Direct Drum, Piston, XLarge Sprag The Speedmaster throttle body beginsThis TH400 Billet Aluminum Direct Drum is manufactured specifically for drag racing classes including Pro Street, Pro Mod and Top Sportsman. Made from Billet Aluminum, 36 element Pro Mod Sprag and new large steel outer race to allow the use of more clutches. Used in applications up to 3000 HP. The drum and piston weight 55% less than the OEM spec drums. 1 4" locking dowels have been inserted to stop inner race movement along with a Steel sleeve for
