GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Silver For those with applications that

For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you

Featuring a boltin EFI downdraft injection system and complete serpentine drive kit

If your vehicle is using aftermarket components

6" diameter ring gear

GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Silver For those with applications thatSpeedmaster 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.