Curb Hoppers0My CartDSS RacingDSS Piston E Series Forged 4.030"Bore 5/64x5/64x3/16"Ring Grooves Minus 5cc x8Listing ID: 998286UPC: 842140100550Manufacturer Part Number: 8710-4030Reference Part Number(s): DSS8710-4030Out Of StockBrand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.