Fitment: Compatible with 88-00 Honda Civic / 93-97 Civic Del Sol / 88-91 CRX; Compatible with 90-01 Acura Integra Adjustable Height: Adjustable from 1" to 3" Lower Ride Height, Scales Marked on Sleeves for Ease of Adjustment Material: CNC Precision Machined Aircraft Aluminum Sleeves; High Strength Cold Wound Springs Powder-coated for Maximum Durability Flexible Use: Accommodate stock or aftermarket shocks Package Includes: 4 x Coilover Spring / 4 x Scaled Sleeves with Locking Perches / 4 x Bushings / 2 x Adjustment Spanner Wrenches / 1 x Bag of Plastic Rings. Professional Installation is Highly Recommended; Installation Instruction is NOT Included