Designed to restore a vehicle's original factory drivability and performance,MonroeOESpectrumlight truckshock absorbers provide 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 -- Full displaced valving, tuned specifically to each vehicle, adjusts to road extremes while the larger bore provides more efficient damping control to provide consistency and a smooth rideCONTROLANDDURABILITY--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 harshnessIMPROVES PERFORMANCE--Nitrogen gas-chargemaintainstire-to-roadcontact for improved ride and handling by reducing aeration and shock fadeBUILT TO LAST--Self-lubricating fluid seal retains gasand reduces excessive friction against the piston rodtohelpreducepremature wear