SPC Performance FRT ARM BSHGS K2500(PR)Replace the upper OE bushing with these offset control armbushings to get 1. 0 of additional camber change. OE stylerubber maintains the original ride characteristics. This Part Fits: Year Make Model Submodel 2002 2004 Chevrolet Avalanche 2500 Base 2005 2006 Chevrolet Avalanche 2500 LS 2005 2006 Chevrolet Avalanche 2500 LT 2005 Chevrolet Silverado 1500 HD Base 2001 2003,2005 Chevrolet Silverado 1500 HD LS 2001 2003,2005 2006 Chevrolet Silverado 1500