Hastings Piston Rings - Premium Ductile Moly - 4.065 in Bore - Drop in - 1.5 x 1.5 x 2.5 mm Thick - Standard Tension - Steel - Plasma Moly - 8-Cylinder - Kit-2M5292--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO