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Performance Series Allison 1000 Rear Adapter Housing 4WD
Fits 2001-2010 Chevy/GMC 2500/3500 HD 4WD
Xcalliber's Black Performance Series 4WD Tail Housing is built with fortified heat-treated aluminum and is designed to withstand even the most extreme stress. It's stronger than the stock tail housing and is recommended for high HP and high torque applications.