GReddy has just recently introduced their Type S Coilover Kit for the Nissan 240sx. This kit includes the following:
Four Corner, Full Length Adjustable Ride Height
Mono Tube Shock Design
Adjustable Spherical Bearing Upper Mounts
32 Way Adjustable compression and rebound dampening
Strengthened Rubber Bushing Upper Mounts and Billet Brackets
Extended Adjustable Cable - allows easy dampening adjustments without having to removed the covers over the rear shock mounts
Lightweight High-Grade Coil Springs
Price: $1500 shipped!
PM for more details.