DROPZONE announces the brand new Shock Absorber with a lifetime warranty. As well as being rigid, the shocks boast a brand new dual density mechanism which guarantees you the smoothest ride. These shocks have set a new standard that will enhance the ride of any car that has been upgraded to racing suspension. - GAS FILLED - INTERNAL CYLINDER 30mm, (MORE ROOM, LESS HEAT) - SPECIALIZED FOR CUSTOMIZED LOWERED CARS - HIGH TECHNOLOGY COMPOUNDS - EXTERNAL RIGID SURFACE - HIGH QUALITY TESTED - FINE TUNED