Fox Shocks 883-26-013 05-17 F250/F350; 05-16 F450/F550 SUPERDUTY FRONT 2.5 SERIES R/R 10.0IN 4-6IN LIFT DSCFox Shocks 883 26 013 FORD SUPER DUTY 2. 5 FACTORY RACE SERIES Factory Race Series 2. 5 Reservoir smooth body shocks give you enhanced ride quality and the control you need when heading off the pavement. They take their design from our Off Road race shocks, so they've been thoroughly perfected in brutal conditions that you will probably never see. Our athletes push the boundaries in competition to develop race proven performance you can bolt onto your