Designed to restore a vehicle's original factory drivability and performance,MonroeOESpectrumstrutsprovide an exceptional level of handling precision and control while filtering out noise, vibration and harshness. Product Features:CONSISTENT RIDE-- OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdownEXCEPTIONAL HANDLING -- Rod displaced valving, tuned specifically to each vehicle, adjusts to road extremes to provide consistency and a smooth ride (on most applications)CONTROLANDDURABILITY--Fluon-banded piston provides consistent sealing between piston and pressure tube for better control and increased durabilityREDUCED NOISE, VIBRATION AND HARSHNESS--Twin TechnologyActive Control Systemdelivers exceptional control undermostdriving conditionswhileisolatingimpact-related noise, vibration and harshnessIMPROVESPERFORMANCE-- Nitrogen gas chargemaintainstire-to-road contact for improved ride and handling by reducing aeration (on most applications)LONGER SERVICE LIFE--Chrome-plated piston, bronzereinforced rod guidebearingand special single lip seal providedurability andlonger service life(where applicable)OPTIONALDUST BOOT/JOUNCE BUMPER-- Protective dust boot reduces dirt and moisture, whilejounce bumperreducessevere suspension movement (both sold separately)