QA1 DS509 Shock Proma C-O S-Adj 11.63 17 Eye-B/Eye-P Mustang Rear C-O Conv.

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. Easily adjust your ride height for the perfect stance.; Achieve the perfect balance of ride quality and performance with simultaneous tuning of rebound and compression.; Multiple bushing or bearing configurations available to fit your needs.; Limited Lifetime Warranty for peace of mind.; Proudly made in the USA.