Akerly-Childs Piston Rings - Xtreme - 4.315 in Bore - File Fit - 0.017 in x 1/16 in x 3/16 in Thick - High Tension - Ductile Iron - Plasma Moly - 8-Cylinder - Kit-19522-65--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO