We have been making these in this material since 2003. Have you tried bringing it to the dealer?. Look for ZZPerformance on all social platforms! The other 5% would be bad snout bearings or bad blower rotors.
ZZPerformance Eaton GM OEM Supercharger Coupler Repair Kit Combo w/2 GM oil
ZZP Eaton GM OEM Supercharger Coupler / Isolator Repair Kit Combo w/2 GM oil
Holden Commodore GM OEM Supercharger Oil Coupler Fluid
(2) 4 oz Bottles of Genuine GM OEM AC Delco Supercharger Oil Eaton 10-4041
(2) 4 oz Bottles of Genuine GM OEM AC Delco Supercharger Oil Eaton FREE SHIPPING
Supercharger Boost Bypass Valve Actuator Bonneville Regal for OEM Eaton GM M90