Photos SEMA 2009: Chevrolet Silverado ZR2 Autoblog Staff Aug 8, 2013 Chevrolet Silverado ZR2 Concept. X09SV_CH089 Chevrolet Silverado ZR2 Concept. X09SV_CH089 Chevrolet Silverado ZR2 Concept. X09SV_CH090 open fullscreen close fullscreen facebook twitter email reddit linkedin pinterest List