SCOL is very excited to offer these special hubs up for the early Magnuson MP supercharges with “keyed” shafts. These allow you to use the popular newer 4 bolt pulleys from GripTech on your early supercharger.
- Magnuson MP112 GM Magna Charger Radix Truck and SUV Superchargers
- Magnsuon MP122 GM Truck and SUV Superchargers
- Most early MP series superchargers with keyed shafts
- Does NOT fit jackshaft style units
*Requires additional pulley. Pulley not included.*