BD Diesel 1062204 Stage 4 Master Rebuild Kit for 2001-2004 Duramax Allison

The BD Diesel 1062204 Build-It Stage 4 Master Rebuild Kit is a comprehensive transmission overhaul solution for 2001-2004 Chevy/GMC 6.6L Duramax LB7 engines with Allison transmissions. This premium kit contains the same high-performance components BD Diesel uses in their own professional transmission rebuilds, providing experienced builders with everything needed for a complete, performance-oriented restoration.

Complete Stage 4 Master Kit Includes:

• Complete overhaul kit with all basic rebuild parts and gaskets
• C1 and C2 clutch packs for improved engagement
• BD-machined C3 and C4 plate assemblies for enhanced durability
• BD-machined C3/C4 piston with upgraded friction and reaction plates
• BD-machined C5 plate assembly with C5 friction plates and .097 reaction plate
• Performance shift kit for optimized shift timing and firmness
• LB7-specific lock-up boost kit for improved torque converter performance
• Deep suction filter and main filter for superior filtration
• Upgraded E shift valve spring, F-trim valve end sleeve, and G solenoid plate
• Pressure switch assembly and all necessary hardware including crazy washer

This Stage 4 Master Kit represents the highest level of BD Diesel's Build-It transmission kits, featuring machined billet components and performance enhancements throughout. Designed for builders seeking maximum reliability and performance from their Allison transmission, this kit is suitable for elevated horsepower applications. BD Diesel recommends pairing this kit with their heavy-duty transmission pan for optimal results.

Warranty: 12 months or 12,000 miles on parts. Note: This product is emissions compliant and legal for sale and use in all 50 states.