GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Black They feature cast iron construction

They feature cast iron construction and are powdercoated to protect against corrosion

or vintage ride

These aluminum push-in breathers from Speedmaster are just the thing to prevent oil splash while adding some style

Make valve cover installation and removal easy and hassle-free with Speedmaster allen head valve cover bolts

This planetary gear is fully Rollerized

GM 4L80 Transmission Billet Aluminum Full Manual Valve Body - Black They feature cast iron constructionSpeedmaster 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.