FACTORY RACE SERIES 3.0 LIVE VALVE INTERNAL BYPASS PIGGYBACK (PAIR) - ADJUSTABLE Lift: 0-1; External Cooling System (ECS2) Mounting Hardware Included 2019-2020 Ford F-150 FOX-883-09-153

"Developed from our off-road race shocks, FOX Factory Race 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."Application specific valving to maximize performance.