Developed from our off-road race shocks, FOX Performance Elite Series combines race-proven technology with new, cutting-edge features to provide enhanced ride-quality and winning damping performance you can bolt onto your truck or SUV.\nApplication specific valving to maximize performance.\n2020-2021 Chevrolet Silverado 2500 HD; 2020-2021 Chevrolet Silverado 3500 HD; 2020-2021 GMC Sierra 2500 HD; 2020-2021 GMC Sierra 3500 HD