GM TH400 Transmission Billet Aluminum Ext TransBrake Full Manual Valve Body Speedmaster rock-solid race shifting Billet

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

or another that's set up the same

Speedmaster planetary gear sets have an extremely stout output shaft

Protect your eyes with style

GM TH400 Transmission Billet Aluminum Ext TransBrake Full Manual Valve Body Speedmaster rock-solid race shifting BilletSpeedmaster 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