JDM Engineering

2.49 black powdercoated Roush M90 Press-Fit supercharger pulley for the 2008-2010 4.6L 3V Mustang GT with Roush Superchargers.

This pulley fits the late M90 and Stage 3 , 2008 to 2010 Roush Superchargers with a press on fit , not a keyway that is held on with a bolt. Roush changed their design of their pulley later design of the blower.

Adds more boost than after market pulley from Roush Performance

Special tool is required. See it in this section . You can purchase or rent with a refundable 75% percent upon returned.

Tuning is required