KW H.A.S. Porsche 911 - 992 Carrera 2/4, S & GTS (with PASM)Kit includes front and rear coil springs, adjustable collars, bump stops, and spanner wrench. Front Lowering: 0. 8" 1. 4" Rear Lowering: 0. 6" 1. 4" KW (H. A. S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H. A. S. systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit has been installed. Your vehicle not