Silver Mine Motors COILOVER SUSPENSION KIT FOR DATSUN 240Z 260Z 280Z 32 STEP DAMPER COILOVERS NISSAN 70-78COIL OVER SUSPENSION KIT FOR DATSUN 240Z 260Z 280Z 32 STEP DAMPER COILOVERS NISSAN 70 78 Complete Coilover packages come with Shocks, coil springs, camber plates all in 1! After a decade of track and canyon testing, we have formulated a winning setup for the 240Z 280Z suspension. This Coilover kit will make your S30 handle turns with confidence and predictability. The linear damper can be adjusted to be stiff for track and auto x, but also can be