Belt Tensioner. Alternator Clutch pulley. FITS: For 2005-2010 Ford Mustang 4.0L V6. Cylinder Head Stud Kit. Suspension Kit. Timing Chain Kit. Add to FAVS. All of our parts, be it suspension parts, electrical parts, engine parts, body panels, drivetrain parts are ISO/TS16949 certified by quality manufactures from all across the globe.