Kit Includes: 1x Driver side lower control arm K640360, 1x Passenger side lower control arm K640361, 2x pre-greased lower ball joints K90309 Easy to Install: Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box Long Life: The front suspension kit adopts pre-greased ball joint and protective electrophoretic paint. And use high-quality rubber to prolong the service life of the ball joint Strong Corrosion Resistance: High quality materials and factory antirust treatment improve the corrosion resistance of our control arm kit Enhanced Strucatural Strength: Special heat treatment technology and high-quality material selection provide more stable support for your car