Curb Hoppers0My CartHastings Piston RingsHastings HASCM5540030 Piston Rings Kit Claimer Moly Series Drop In 4.030" Bore Standard Tension 1.5 x 1.5 x 3.0mm Thick Iron, Plasma MolyListing ID: 933889UPC: 075538271239Manufacturer Part Number: CM5540030Reference Part Number(s): HASCM5540030Out Of StockBrand NewCopyright (C) 2019-2024 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.