Skunk2 Pro Series High Performance Coilovers are based on over a decade of racing and suspension tuning experinece. Pro Series Coilovers are made from same technology which skunk2 racing have been applying in professional road racing and drag racing championship. Skunk2 Pro Series Coilover features : Forged Spherical Bearing housing with adjustable camber plate Super finished Precision ground shaft Distinct twelve way adjustable valving Lower nitrogen gas preload chamber.