GM TH400 Transmission Billet Aluminum Ext TransBrake Full Manual Valve Body Speedmaster planetary gear sets have

Speedmaster planetary gear sets have an extremely stout output shaft

filter changes will be quick and easy

They start to make awesome power around 3

Speedmaster rock-solid race shifting Billet Street automatic shifters can give your street ride the feel of having a full-on race stick in your hand

The "S" shape gap between inner and outer ring is press inserted with sulfated elastic rubber to ensure the damper will not disintegrate under any circumstance

GM TH400 Transmission Billet Aluminum Ext TransBrake Full Manual Valve Body Speedmaster planetary gear sets haveSpeedmaster billet aluminum valve bodies are a direct replacement for your original valve body. These valve bodies shift super fast and incorporate an adjustable pressure regulator. Fully 5 axis CNC machined from billet aluminum these valve bodies will help your project shed some weight