Tein Flex Coilovers Nissan 240sx 89-98. Contents of damper kit: Adjustable shock absorber x4, Main spring x4, Lower spring Seat x4,Spring Seat lock x12, Bump rubber x4, Dust cover x4, Hook spanner x2, Instruction manual. Strut suspension comes with upper spring seat. Adjustable length and twin tube shell case. Special setting for sporty driving and ride confort. You can set your vehicle to meet all situations! Spring Rates: S13 7kg Front 7kg Rear, S14 6kg Front 5kg Rear