AST 5300 Series Coilovers | Subaru Impreza WRX GC/GF 98-00 (RAC-S6202S)For the best performance on the track, AST Suspension designed the Competition 3 way adjustable series to fit the 1998 2000 Subaru Impreza WRX 2. 0 GT Turbo 4WD (GC GF PCD 5x100) The 5300 Series shock absorbers are rebound adjustable in 12 positions on the strut. The high speed compression is adjustable in 12 positions and the low speed compression is adjustable in 14 positions. Both compression adjustments are made using an external canister. All