Fits: 2001-2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel 4 Wheel Drive

Xcalliber's Black Performance Series 4WD Allison tail housing is built with fortified heat-treated aluminum and is designed to withstand even the most extreme stress. Much stronger than the stock tail housing and recommended as a stock replacement and/or especially high HP and high torque applications.

Features:

• Fortified heat-treated aluminum
  
• Withstands extreme stress applications
• Stronger than factory housing

Includes:

• 1x Rear adapter housing

Replaces Part #:

• GM 29544804