For naturally aspirated engines.Includes: (1) HCC3802044 Piston & Rings (1) HCC3906208 PistonThe HCC3802064 Piston & Ring Kit, 1.00mm Oversize fits equipment brands such as: Case, Case IH, Cummins, WhiteThe HCC3802064 is a substitute for the following discontinued products: HCRK3802064