This rebuild kit for GM Duramax Allison 1000 transmission (2001-2005) has everything you need to upgrade your own transmission’s performance and reliability with Raybestos GPZ plates.
- Overhaul gasket
- Seal kit with molded pistons
- Both filters
- All performance friction and steel plates
- Powerpacks for the C1, C2, C3 & C4 clutches