4 Set ISF2.8 Piston Rings Set For Cummins Diesel Engine Parts. Please send vehicle model and engine model to confirm the parts. We will send message after you place order. 4 Set Piston Ring, STD. With protective padding to transfer parts. Such as be with pearl cotton foam or soft paper. Crankshaft, Cylinder head and block maybe with plywood box. Also add packing belt to reinforce transportation if necessary. To all dear buyers. ” Ask a Question “. We aim to provide 100% shopping satisfaction for buyers. If we are not doing a great job. Before or after placing order and you will get satisfied and save-time service.