I would recommend replacing the rings. The item "Iveco 4.5 piston connecting rod Case 450 465 Skid Steer New Holland 445T/M2" is in sale since Saturday, March 3, 2018.
This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Pistons, Rings, Rods & Piston Racks". The seller is "wilbur62" and is located in Marion, Kansas. This item can be shipped to United States.