Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel

The stock P2 Planetary in Allison 1000 transmissions are prone to stripping due to poor tuning, high horsepower, or an unhealthy transmission. Stripping may cause catastrophic failure and/or immobility. This Xcalliber kit is our go to solution for this issue. This kit is highly recommended for higher horsepower applications, including sled pulling, drag racing, as well as heavy duty towing.

Features:

• Made from Billet Steel
• 6 Pinion Carrier For Increased Strength
• Modified Mating Splines for More Contact Area
• Brand New, No Core Charge!
• Made in USA

Includes:

• 1x Billet P2 Carrier
  
• 1x Billet C2 Hub
• 1x Machined Sun Gear kit

Notes:

• 2001-2002 Trucks require a 29545931 P2 Sun Gear, 29541728 P2 Spacer, and a 29541702 Bearing