Light weight Wiseco piston (2.682"). .490" wrist pin for use with long rod (18270). This piston is used as a hone-to-fit piston in modified standard bore Honda ( or clone ) GX200's Piston has a .640 compression height. Includes piston, rings, wrist pin, and circlips. The top of this piston is thick and is designed to be milled down to your deck height, so block decking is not necessary. You will need to "mock up" the installation and measure to see how much needs to be removed.