GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio They come in many sizes

They come in many sizes to meet just about all of your needs

Designed for use with Speedmaster air cleaners

Speedmaster high-volume oil pumps give you an additional 20 to 25 percent of much-needed oil volume for your performance application

and these cast aluminum pans have a beautiful polished finish for great looks

Speedmaster valve cover gaskets are manufactured from high quality rubber

GM TH400 Transmission Heavy Duty Straight Cut Planetary Gear 2.10 - 1.40 Ratio They come in many sizesSpeedmaster 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!