QA1 DS501 Coil-Over Shock Absorber

With QA1�s Proma Star single adjustable coil-over shock, you can easily adjust your compression and rebound valving and get the hard-core performance you need. One knob allows you to choose from 18 valving options that adjust both compression and rebound valving simultaneously, allowing total suspension control in one easy-to reach location. Simultaneous Compression and Rebound Adjustment Coil-Over Lightweight Aluminum Ride Height Adjustable Spring Mounting Hardware Included 100% Dyno Tested and Serialized Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers American Made Precision Machined Aluminum Piston with PTFE Piston Band 5/8� Centerless Ground, Hard Chrome Plated, Solid Piston Rod Three Step Sealing System