Ride Height DROP Ft = -40.0 Rr = -30.0 Spring Rate Ft = 5.0 Rr = 4.0 Contents of damper kit: Ajustable shock absorber x4 Upper mount x4 Main spring x4 Lower spring seat x4 Seat lock x8 Thrust washer x4 Bump rubber x4 Dust cover x4 Hook spanner x2 Instruction manual