For your consideration is an original Waterloo 2-1/2hp Piston. It is a diameter of 4-3/8″ and about 4-5/8″ long. The 3/4 wrist pin is included. The piston rings are included, but they’re stuck, I haven’t tried to free them. There’s some pitting on the face as can be seen in the pics but that shouldn’t effect it’s usage. Please read the following full description so you understand the terms of the sale, this will save both of us time by not messaging me questions that are already answered. Please review the pictures and full description as what I’m showing in the pictures is the actual item you will be receiving, and the pictures are part of the description. The can Koozie is used as a back drop for a size comparison, it’s not included in the sale. I do NOT allow offers on my listings. Thank You for viewing, John Tonjes Jr.