GM TH400 Transmission Billet Aluminum Full Manual Valve Body - Black Unleash monstrous torque and reliable

Unleash monstrous torque and reliable street/strip power with this fully built 351 Windsor to 427Ci stroker engine by Speedmaster

the LS-series heads are produced using our "Gravity Casting" process

parts from other applications

and throttle bodies

This durable material is corrosion-resistant

GM TH400 Transmission Billet Aluminum Full Manual Valve Body - Black Unleash monstrous torque and reliableSpeedmaster 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.