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Precision calibration for modified Sea-Doo superchargers. The RIVA Shim Kit lets tuners and performance enthusiasts fine-tune slip moment and clutch engagement on models 2008 and newer for smoother, more consistent power delivery.
Use the RIVA Shim Kit to achieve more accurate clutch slip settings, reduce driveline shock, and optimize throttle response. Compact and easy to install, these shims are an essential upgrade for anyone modifying their Sea-Doo supercharger.