Blessed Performance has the WP Developments Allison 1000 Transmission 1000 HP 1999-2016 Chevrolet/GMC Silverado 2500/3500 trucks.
- WPD 1000hp 5/6 speed allison 1000
- New bearings throughout
- LML style C3/C4 pistons and springs
- New bonded pistons
- Upgraded WPD Pump
- Upgraded WPD Valve body
- New internal wiring harness
- Test pressure switches
- Test shift solenoids
- Added C3 clutches with oiling modification
- Billet C2 hub
- Triple disk custom stall converter
- Billet input shaft
- Billet Output shaft
- Billet P2 planetary
Warranty Disclaimer
- By purchasing this product, you acknowledge and agree that the transmission selected is appropriately rated for your vehicle’s current power level. Exceeding the advertised power rating of the transmission will void the warranty in its entirety. You accept full responsibility for any resulting product failure or damage due to overpowering the unit and accept full responsibility for any associated costs or consequences. Additionally, all TCM calibrations must be certified by WP-Developments to maintain warranty coverage.