Piston Rings - Premium Ductile Moly - 4.155 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Ductile Iron - Plasma Moly - 8-Cylinder - Kit Brand- HASTINGS MPN 2M5529035 . **NOTE: Truck Freight- NO State Restrictions Canada Restrictions- NO Canada Shipping: Ships to Canada