 | High compression Pistons for use with Model A rods, Standard size.Additional Information High compression Pistons for use with Model A rods, Standard size. This is a special piston manufactured to accept a Model A connecting rod. It is used when installing a model a crank in a model t block. (NOTE: These pistons require special rings, Part# 3023SPA.STD.) FAQ There are currently no FAQ for this item. To ask a question about this item please press and fill out the form. | Bookmark This Page Don't forget to bookmark us! |