These brackets are bolted to the backside of the bull bar where they are virtually hidden from sight when installed and are then bolted to the vehicle, no drilling required. These vehicle specific brackets provide a secure, strong mount of the Rhino Charger 2/RC2 to the vehicle. 2007-2019 Chevrolet Silverado 2500 HD (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Fuel: GAS, DIESEL / Note: Application Notes: Excludes Driver Alert package); 2007-2018 Chevrolet Silverado 3500 HD (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Fuel: GAS, DIESEL / Note: Application Notes: Excludes Driver Alert package); 2007-2019 GMC Sierra 2500 HD (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Fuel: GAS, DIESEL / Note: Application Notes: Excludes Driver Alert package); 2007-2018 GMC Sierra 3500 HD (Body: Standard Cab Pickup, Extended Cab Pickup, Crew Cab Pickup & Fuel: GAS, DIESEL / Note: Application Notes: Excludes Driver Alert package)