TOTAL SEAL 3.898 plus 5 1.5 1.5 3.0 8CYL GAS PORT For Use With 8 Cylinder Engine; 3.903 Inch Bore; Steel Top Ring; With 1.5 Millimeter Top Ring/ 1.5 Millimeter Second Ring/ 3.0 Millimeter Standard Tension Oil Ring; Complete Set; Gas Ported