These pistons are designed for Ford vehicle enthusiasts looking to boost their engine's performance. They fit a wide range of Ford models from 1996 - 2008, including the F - 150, F - 250 Super Duty, F - 350 Super Duty, GT, and Mustang. With a bore of 3.582 inches and a 11cc dish, they are ideal for high - performance driving scenarios such as racing or heavy - duty towing.