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Chevy/GMC Duramax

Chevrolet and GMC Duramax Performance Products

GM 6.6L LB7 - 2001-2004
GM 6.6L LL7 - 2004.5-2005
GM 6.6L LBZ - 2006-2007
GM 6.6L LMM - 2007.5-2010
GM 6.6L LML - 2011-2013