COMPATIBILITY – Fits 2013-2013 Ford Police Interceptor Utility; 2014-2019 Ford Police Interceptor Utility GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes ENGINEERED FOR POLICE PURSUIT VEHICLES -- Designed to handle the extreme driving conditions faced by hardworking police pursuit vehicles HELPS CARRY THE LOAD -- Variable rate coil spring delivers a comfortable ride and maintains ride height for everyday driving conditions or supporting the load MAINTAINS VEHICLE CONTROL – Premium, vehicle-specific technology automatically adjusts to absorb road impacts, helping to reduce vehicle roll and dive during weight transfer for improved stability BUILT TO LAST -- Bearing with PTFE coating protects the rod guide to reduce damage to the seal and chrome piston rod provides durability and long service life IMPROVES PERFORMANCE -- Nitrogen gas-charge helps maintain tire to road contact for improved ride and handling by reducing aeration and shock fade REDUCES FRICTION -- PTFE-banded piston helps reduce friction between the piston and pressure tube to respond more quickly to changing road surfaces RESPONDS TO CHANGING CONDITIONS -- OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown BOOT/JOUNCE BUMPER -- Protective boot reduces debris and moisture build-up on the rod surface, while jounce bumper reduces severe suspension movement