Product details:

Coil over sleeve kits provide a reasonable suspension upgrade to your road vehicle. Your car will be in better control and at the same time, converted into an aggressive look that you have been searching for. Designed to be used with stock or aftermarket shocks, these Coil over sleeves enable you to upgrade your shocks and springs in different stages.1" - 4" Ride Height Adjustable With Scales, which Make Easy and Professional Adjustment Possible
CNC Precision Machined Aircraft Aluminum Sleeves
High Strength Cold Wound Springs Powder-coated for Maximum Durability
Dual Locking Perches
Can Be Used with any Brand of Shocks