Description
Rebuilt Roush MP90 polished supercharger head unit. Fits 4.6L Ford applications. This is a replacement head unit only. Your old unit can be traded in- working or non working.
Features the following:
- All new bearings and seals.
- New carbon fiber coupler.
- JB Performance Supercharger Oil.
- New pulley nut.
- JB Performance Lizard Skin Ceramic coating on rotors.
- Bypass valve and butterfly assembly are in excellent working condition.
- 1 year limited warranty.
Gaskets available in Roush parts section.

Rear impeller seal
Drive snout water cooling orings
supercharger rotor pack seals- left and right
Powerdyne impeller ship BD10, BD550 Triangle shape
Gear Side Rotor Bearings
Replacement gear case bolt for G4, G5 and G6 