These JE Pistons range from 2.994″ bore all the way up to 3.323″ bore. All pistons come with wrist pin (.490) wrist pin clips, proper ring set and instructions. Compression height is .620. In most cases, these pistons need to be decked off to fit properly in your motor. However we can deck pistons off it you give us a measurement. Please choose size piston for your application.