Je Pistons Piston Rings - 4.125 in Bore - File Fit - 1/16 in x 1/16 in x 3/16 in Thick - Standard Tension - Hard Ductile Iron - Phosphate - 8 Cylinder - Kit-J820F8-4125-5--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO