Piston for an engine

A piston (10) for use in an engine. The piston (10) includes a piston head (14) having at least one ring groove (26). The piston (10) also includes a piston skirt (18) coated with a first thickness (38) of a bronze coating material, and a side panel (22) adjacent the piston skirt (18) that is coated with a second thickness (42) of the bronze coating material. The first (38) and second (42) thicknesses of the bronze coating material are different. In some embodiments, the bronze coating material also includes aluminum.