2011-present ATS LCT-1000 6 Speed Master Overhaul Kit.
Kit Includes:
Paper and Rubber Kit With Both Internal and External Filters, C1 through C4 Raybestos GPZ Performance Clutch Friction, Steel, and Apply / Pressure Plate Packs, ATS Pump Kit, ATS Trim Valve Kit, Our ATS Upgraded P1 Sun Gear Bearing Which Commonly Fails in the Allison LCT 1000 Transmission, and the ATS C-2 Clutch Drum Spring Kit, Upgraded C3 and C4 Piston and Piston Retainer.

All Clutch Packs Have Been Re-Designed for Added Strength and Reliability.
Application:

• 2011-Present 2500/3500
• Duramax GM Light Duty
• Diesel