OS Engine Cylinder & Piston Assy Max 21XZ-B (X-OS22413000) Supply

OS Engine Cylinder & Piston Assy Max 21XZ-B (X-OS22413000)

This is a replacement O.S. Cylinder & Piston, and is intended for use with the O.S. .21 XZ-B. 

NOTE: You will need to detach the old connecting rod and re-attach it to the new piston during replacement. We recommend that when you replace the piston/sleeve on any engine, you also change the connecting rod and wrist pin clips.