TOTAL SEAL 4.030 plus 5 .043 .043 3.0 8CYL For Use With 8 Cylinder Engine; 4.035 Inch Bore; Plasma-Moly Ductile Iron Top Ring; With 0.043 Inch Top Ring/ 0.043 Inch Second Ring/ 3.0 Millimeter Gold Power Low Tension Oil Ring; Complete Set; Race Use