Manley's Ford 4.6L/5.4L (3Valve) pistons, with a 3.572 Bore and 6.5cc volume, offer optimal performance. They feature Chrome Moly Wrist Pins, precise ring lands and grooves, and optimized cam and barrel profiles. These pistons are specifically designed to fit 2005-2008 Mustang GT and 2007-2008 Mustang Shelby GT models.