K2-Circuit Coilovers - 01-05 Civic / 02-06 RSX - Front 14K / Rear 20KApplications: 01 05 Civic(EM1 ES1 EP3) 02 06 RSX DC5 Spring Rate: F 14K R 20K Valve: K2 Race Valve This is our standard linear valve. Damper will get stiffer as the strut travels through its range of motion. This can give some harshness with very aggressive curbs. K2 DS1 Valve This is our semi digressive valve. We tried to find the happy balance between digressive and linear valving to give a balance of both worlds. Note: * Springs rates can be