P2 heat treated Planetary fix kit Contains (1) Machined P2 Planetary. The stock Allison 1000 P2 Planetary can strip or snap as a result of poor tuning,shock load, improperly built transmissions and higher horsepower applications and can cause catastrophic failure and/or immobility. The SunCoast P2 Planetary fix is the solution to this issue. This item is highly recommended for higher horsepower applications, including sled pulling, drag racing, as well as heavy duty towing (to accept billet P2 hub, machine work required on the P1 sun gear).
For 6-Speed Allison transmissions only: this billet P2 planet will only fit 2006-2017 Duramax trucks with 6-speed Allison transmissions. Please verify your truck's transmission before ordering.
Core charge: the billet P2 planet carries with it a core charge. This core charge will be refunded back to you once SunCoast receives your stock planet, inspects it, and finds in acceptable.