GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Black Available in different bore diameters

Available in different bore diameters to suit your specific engine's needs

All of our components are heavy duty performance upgrades of their stock counterparts but are manufactured to the original tolerances and specifications

Replacement Spring Isolator for PC12004 A-Arms

per foot of backlash

These kits are expertly crafted to restore optimal performance and are tailored to match specific cylinder head configurations and camshaft profiles

GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Black Available in different bore diametersSpeedmaster 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.