3 Inches long 1 3/4 inch tall and 1 inch wide ( measured at the cylinder head)
This engine detail set is used on Pat Tritle's 60 inch Curtis jenny "standard" and might be just what you need for your project. The set comes with what is shown , one cylinder set, one cylinder head, rocker arms and intake manifold . the exhaust pipes are plastic tubes found around the house. Assembly and painting is required. There are so few parts to this motor instructions are not needed.