Manley are the leader in forged pistons to suit the 5.4 lt engine . The pistons comes with pins and c clips. This is the piston I chose when building a 5.4 lt engines. The pistons are available in std, 20 & 30 th over sizes. The piston is available in flat top or with a 14 mm dish. Pics are for illustration purpose only, rings sold separately. 000129498