Eibach 35115.712 Multi-Pro-R1 Coil-Over System Monotube design with 46 mm pistons and remote reservoir for maximum track performance Stainless steel strut bodies for extreme durability and corrosion protection Single adjustable rebound and compression damping Spring rates can be tuned with a wide range of Eibach Motorsport ERS Springs (available separately) Easy ride-height and corner weight adjustability