GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio Designed for use with Speedmaster

Designed for use with Speedmaster air cleaners

Ensure that you have the finest distributor cap available by using one of these Speedmaster distributor caps

Speedmaster valve cover gaskets are manufactured from high quality rubber

They are installed between the water pump pulley and the drive flange

Also includes:Tailgate SealLED Light

GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio Designed for use with SpeedmasterSpeedmaster 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!