Exclusively at Speedway Motors you can now order your custom AFCO shocks online! AFCO's sophisticated 21 Series aluminum body fixed valve gas pressure shocks feature deflective disc technology in an economical, rules-friendly, non-adjustable package. These lightweight aluminum shocks are sure to be the answer for any racer under constraints to experience the superb handling of gas-charged shocks. Fixed valving in a gas pressure design Threaded for coil-over applications User serviceable/repairable Late Model/Crate Late Model application Choose: Length - 7 or 9" Left side shock - 0=No, 1=Yes. Compression Valving - 0-13. Rebound Valving - 0-13. Note: This shock is custom valved and assembled by our expert staff. Due to its custom nature, it cannot be returned for a refund.