5 bolt design is compatible with ZZPerformance pulleys. ZZPerformance provides you with highly specific technical information, not found anywhere else. Look for ZZPerformance on all social platforms!
ZZPerformance M90 3.8L 3800 3.4" Supercharger Pulley System w/ hub + Belt
ZZPerformance M90 3.8L 3800 Modular 3.6" Supercharger Pulley System w/ hub
ZZPerformance Snout Machining Tool For Smaller Supercharger Pulley m90 m62
ZZPerformance Supercharger Pulley Puller Removal Tool, Eaton M90 M112 M62
Genuine ZZPerformance Upgraded GM Supercharger Coupler Eaton M90 M112 M62