Quick view Roush ROUSH 2005-2010 Ford Mustang 4.6L 3V Heavy Duty Belt Tensioner - 404225 Compare $149.99 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 & Upgrade; Kit (part #420026)2010 Mustang R2300 ROUSHcharger Upgrade Kit... Add to Cart Add to Cart
