I have a set of 4 skunk2 coilovers for a 90-01 Integra. I put them on but I decided to go with some Tein springs instead. So the skunk2 are now for sale. Asking $200 These are adjustable to three inches.

http://www.modacar.com/products/Acura/Integra/MODAADS/

From modacar:
Skunk2 Coilover Kits are the ultimate in street-level performance and quality.
Each Skunk2 Coilover spring kit includes CNC machined threaded aluminum sleeves and hot-rolled SAE 9254 racing springs.
Skunk2 Racing's hot-rolled springs are the key to its superior performance and unsurpassed ride quality.