The 5500 Series shock is designed especially for Quarter Midgets. It has a hard black anodized aluminum body. This shock uses CNC machined aluminum internal parts designed for racing with no aftermarket parts. This shock has a combination of a base valve design, which allows for very low rod pressure. This shock comes with or without an air valve. The Air Valve allows you to fine tune your gas pressure. This shock accepts 1 5/8” I.D. Springs.
An Air Valve shock allows for a more technical and precise suspension tuning curve. The gas pressure allowed in the shock will change the spring rate but allow all dampening ranges to remain the same. This allows for fine tuning but a certain amount of minimum pressure must be maintained in the shock at all times in order for the shock to work correctly. Example being a 1-3 valving, 3 on compression needs to maintain no less than 15psi and a 4 or higher on compression no less than 25psi.
***The New M1 Piston has allowed us to create a shock that is all around superior in todays quarter midget suspensions market. We have been able to create a more consistent shock especially through the long runs. With the M1 Piston we are able to control the flow by placing set screws into the holes on the compression and rebound side allowing us to keep a consistent and smooth valving curve throughout the shock. Any previous ARS Shock can be updated to our latest valving with the New M1 Piston! (ALL NEW SHOCKS HAVE THE M1 PISTON INSTALLED)***