Eatons are available in sizes: M112 & M90 & M62 & M45. Chances are your bearings are due to be replaced. The oil seals tend have to be replaced around 100,000 miles. This is the easiest and oldest kit on the market.
Eaton M112 Supercharger Snout Rebuild Repair Bearing Kit
Genuine Eaton OEM Supercharger Snout Bearings & Seal M45 M62 M90 M112
New Eaton M112 supercharger boost bypass valve actuator for 2003-04 SVT Cobra
02-03 F-150 5.4 HD edition Eaton M112 supercharger boost bypass valve actuator
Eaton M112 supercharger oil refill kit Range Rover & Sport 4.2