CONSISTENT RIDE -- OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown REDUCED NOISE, VIBRATION AND HARSHNESS -- Twin TechnologyTM Active Control System delivers exceptional control under most driving conditions while isolating impact-related noise, vibration and harshness LONGER SERVICE LIFE -- Chrome-plated piston, bronze reinforced rod guide bearing and special single lip seal provide durability and longer service life (where applicable) EXCEPTIONAL HANDLING -- Rod displaced valving, tuned specifically to each vehicle, adjusts to road extremes to provide consistency and a smooth ride (on most applications) CONTROL AND DURABILITY -- PTFE-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability IMPROVES PERFORMANCE -- Nitrogen gas charge maintains tire-to-road contact for improved ride and handling by reducing aeration (on most applications) BUY WITH CONFIDENCE -- Comes with Monroe's Limited Lifetime Warranty and exclusive Feel the DifferenceTM Guarantee OPTIONAL DUST BOOT/JOUNCE BUMPER -- Protective dust boot reduces dirt and moisture, while jounce bumper reduces severe suspension movement (both sold separately)