Description Fitment Information Year Make Model Sub Model 1999-2000 GMC Sierra 2500 All Sub Model This Product Conforms With The Federal Motor Vehicle Safety Standards, SAE/DOT Compliance California Prop 65 Warning This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov