3.3" 6-rib pulley ring for 05-10 Mustang GT 4.6L 3V with Roush R2300 / P51 TVS Supercharger kit. 10psi with stock lower pulley. Booster required Large improvement in power over This pulley bolts on to the Roush 6-bolt hub. Black annodized aluminum.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2010 | Ford | Mustang | GT |