WEBApr 22, 2024 · $80.53. KB Performance Pistons. Piston, Hypereutectic, Dome, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each. See More Specifications | Check the Fit. Estimated Ship Date: Apr 22, 2024 Would you rather pick it up? Select Location. Special Order. Prop 65 Warning. Call to Order. Share with your friends. . …