QA1 6Q75-10R 6Q Series Adjustable Shock Twin Tube 7in. Stroke 5C/10RQA1 6Q75 10R 6Q Series Adjustable Shock Twin Tube 7in. Stroke 5C 10R QA1s rebuildable twin tube shocks offer the performance, consistency and tunability racers demand. Formerly known as 60 and 62 series shocks, the 6Q series is an aluminum large body shock. The threaded body makes it very easy to use in coil over configurations with QA1 kits (sold separately). Racers can choose from 6, 7, 8" and 9 bearing mount shocks depending on rules and