GM TH400 Transmission Billet Aluminum Full Manual 2-Speed Valve Body - Silver Speedmaster GM automatic transmission parts

Speedmaster GM automatic transmission parts are manufactured using the highest-quality materials for strength and durability

The 8-pinion rear planetary carrier is made from 4340 steel

As a result

It is designed to hold the amount of oil that is needed to lubricate the engine when it is running

Because they don't run off of your crank

GM TH400 Transmission Billet Aluminum Full Manual 2-Speed Valve Body - Silver Speedmaster GM automatic transmission partsSpeedmaster billet aluminum valve bodies are a direct replacement for your original valve body. These valve bodies shift quickly and incorporate an adjustable pressure regulator. Fully 5 axis CNC machined from billet aluminum, these valve bodies will help your project shed some weight.