Engine Tech ET 137 x 4mm Upgrade Supercharger Sea Doo

ET 137 x 4mm Supercharger Upgrade
Applications: All supercharged Sea Doo watercraft

Supercharger impeller and spacer only. Upgrade your stock X charger (from 255 and 260 HP Sea Doo watercraft) with this kit or machine your rear housing to fit this 137mm impeller. Rated at 13-13.5 psi at 8100 RPM and 15 psi at 8500 RPM. Must run 2008 and newer supercharger oiling system.