GM TH400 Heavy Duty Racing Transmission Billet Aluminum Direct Drum All of our components are

All of our components are heavy duty performance upgrades of their stock counterparts but are manufactured to the original tolerances and specifications

while Cleveland/Modified applications use precision laser-cut steel for a factory-style fit and finish

Speedmaster Pro Fuel Delivery nitrous kit comes with everything shown

Speedmaster TDS stepped up and created a full line of super-strong forged and billet yokes

GM TH400 Heavy Duty Racing Transmission Billet Aluminum Direct Drum All of our components areThis TH400 Billet Aluminum Direct Drum is manufactured specifically for drag racing but also makes a great replacement for the hard to find OEM parts. Drum weights 55% less than the OEM drum. Made from 7075 T6 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.