This Mustang belt tensioner is the same belt tensioner that's included in the 2010 Roushcharger kits, making it a replacement part for these packages:

• 2010 Mustang R2300 Roushcharger and trade Kit (part #420026)
• 2010 Mustang R2300 Roushcharger Upgrade Kit (part #420027)
• 2010 Mustang Chrome Roushcharger (part #420024)

This tensioner is specially designed for heavy duty applications to handle the added rotational forces on the FEAD from supercharging.

This heavy-duty tensioner is an upgrade for all SINGLE BELT TVS R2300 ROUSH superchargers installed on 2005-2009 Mustang GTs.

Product highlights for the Roush Mustang Belt Tensioner, Heavy Duty 4.6L 3V (2005-2010):

• Same belt tensioner included in the 2010 Roushcharger® kits
• Heavy duty construction for handling extreme rotational forces on the FEAD from supercharging
• Upgrade kit for all SINGLE BELT TVS R2300 Roush superchargers for 2005-2009 Mustang GTs