QA1 DD509 Shock Proma C-O D-Adj 11.63 17 Eye-B/Eye-P Mustang Rear C-O Conv.

QA1's double adjustable shocks have 324 valving options with 18 positions of compression adjustment and 18 positions of rebound adjustment. There are no jumps when adjusting between any two clicks. Each adjustment has been carefully defined to provide the ideal horse curve to maximize performance. Independent 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 ultimate performance handling with independent 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.