TOTAL SEAL 4.000 plus 5 5/64 5/64 3/16 8CYL For Use With 8 Cylinder Engine; 4.005 Inch Bore; Plasma-Moly Ductile Iron Top Ring; With 5/64 Inch Top Ring/ 5/64 Inch Second Ring/ 3/16 Inch Standard Tension Oil Ring; Complete Set; Race Use