GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio Speedmaster ring and pinion preload

Speedmaster ring and pinion preload spacer

The Speedmaster extra-wide rigid bands feature band linings with carbon fiber friction material for higher coefficient of friction for higher torque capacity and the ability to produce quicker

Speedmaster C4 automatic transmission small block to big block torque converter conversion plate

They're made of thick steel for reduced flex and are chrome plated for that show-car look

Speedmaster 9 Keyway Double Row Timing Chain Kits are CNC Machined from billet

GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio Speedmaster ring and pinion preloadSpeedmaster planetary gear sets are ideal for modern big displacement engines. Speedmaster only offers planetary gear sets which provide superior torque output for modern high output motors. This planetary gear is fully Rollerized!