2001-2005 LB7/LLY Duramax Firepunk Proven A900 Transmission

Great For Mildly Modified Trucks Up To 900HP 2-Year Unlimited Mileage, 100% Workmanship Warranty
2001-2005 Firepunk Proven A900 Allison Transmission Features: Great For Mildly Modified Trucks Up To 900HP 2-Year Unlimited Mileage, 100% Workmanship Warranty Build List: All New Gaskets & Seals Allison Internal Filter Firepunk Filter Lock Allison External Filter with Magnet New Allison Bearings Rebuilt or New Pump Flat Sanded & Pressure Tested Valve Body Upgraded Shift Valve Springs Upgraded Trim Valves & Springs Upgraded Backfill Valve Upgraded F Trim End Sleeve New Valve Body Filter Pump Pressure Modifications Modified Converter Flow Valve Custom Fluid Curcuits in Bellhousing & Case New Speed Sensor New Solenoids New Internal Harness New Tested Allison Pressure Manifold New Allison C1/C2 Piston P1 Spacer GPZ or Alto C1 Frictions GPZ C2 Frictions LML/L5P Style C3/C4 Pistons & Return Springs Machined C3 Plate to allow higher Clutch capacity Excalliber, Suncoast or Alto non slotted C3/C4 Frictions with Kolene Steels PPE Pan Upgraded Flexplate DPC Billet Triple Disk Converter Signature Firepunk PTO Covers TCS Billet Input Shaft TCS Billet C2 Hub Goerend Billet P2 Planetary If your model is on Backorder, it will be a 2 week build time until the transmission ships out to you. Call if you have any other questions!