TOTAL SEAL 4.125 plus 5 1.2 1.2 2.0 8CYL GAS PORT For Use With 8 Cylinder Engine; 4.130 Inch Bore; Steel Top Ring; With 1.2 Millimeter Top Ring/ 1.2 Millimeter Second Ring/ 2.0 Millimeter Standard Tension Oil Ring; Complete Set; Street/ Race Use; Gas Ported