In my opinion, never cheap out on suspension bits. Stay away from K-Sport for sure. My R34 had GReddy Type-S... Rode like crap. My R33 had Tein Flexs... Rode like crap. My 911 has Bilstein PSS10s... Rides like a dream. Bilstein makes a great quality damper. If you decide on coilovers, I'd go in this order from cheapest to most expensive: KW V2-V3, Bilstein PSS9-PSS19, Ohlins DFV, JRZ RS& RS Pro, Moton single adjustable-double adjustable-club sport.