BD Diesel Built-It Trans Kit 2004-2006 Chevy LLY Allison Stage 4 Master Rebuild Kit

If you're looking to rebuild your Allison transmission in your 2004-2006 Chevrolet Silverado 2500 HD or 3500, or your GMC Sierra 2500 HD or 3500, this Stage 4 Master Built-It Transmission Kit from BD Diesel is a solid option. This kit includes all the basic rebuild parts and gaskets you'll need, plus specialty components that BD Diesel uses in their own performance transmissions. It's designed for the seasoned builder who wants to tackle a comprehensive overhaul.

Inside this kit, you'll find high-performance components like Raybestos Z-Pack clutch packs for both the C1 and C2 applications, ensuring strong engagement. BD Diesel also includes their own machined parts, such as the C3 Plate Assembly, C4 Plate Assembly, and C5 Plate Assembly, along with a BD Machined C3/C4 Piston. You also get a Raybestos C5 Friction Plate and a specific C5 Reaction Plate measuring .097 inches. The kit also contains an overhaul kit, a pressure switch assembly, and a shift kit to help fine-tune the transmission's behavior. For filtration, it includes a main filter and a deep suction filter, along with an F-Trim Valve End Sleeve and a G Solenoid Plate. This comprehensive collection of parts is what BD Diesel uses in their own performance builds, aiming to give you a well-built transmission.

This kit is considered a Stage 4 Master Rebuild Kit, meaning it's quite extensive. While this kit provides the core components for a robust rebuild, BD Diesel also recommends their Heavy Duty Transmission Pan as an optional addition for further enhancement. Remember to consult the manufacturer's installation instructions for specific procedures and any additional hardware or tools you might need for the rebuild process.