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. Coil over sleeves provide the availability of adjusting ride height from 1" - 4" so that you can adjust the perfect ride height with any rim and tire combinations. Designed to be used with stock or aftermarket shocks, these coil over sleeves enable you to upgrade your shocks and springs in different stages.