The piston of choice by Team Pro Circuit Kawasaki and Team JGR MX Suzuki! JE Piston assemblies/kits include the required piston, ring set, pin and clips per application. All JE Pistons are precision CNC machined from state of the art forgings for maximum strength and low weight. Specially developed high tensile forged aluminum has been chosen after decades of research and development, and provides incredible strength and stability under high stress conditions. All dome or dish features have smooth flowing radii and require no deburring or preparation before installation. The choice of racing professionals worldwide. Proudly Made in the U.S.A.!