GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio Speedmaster 9 Keyway Double Row

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

allowing the air cleaner to sit low enough to shut the hood

They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance

Speedmaster heavy duty intermediate clutch outer race delivers more torque capacity of any OE race

GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio Speedmaster 9 Keyway Double RowSpeedmaster 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!