Engine Long Block Short Block. 6 ENGINE PISTON & Ring Set 1mm 0.04′ Oversize For Dodge 325HP 5.9 Cummins 04-06. Price For 6 Pcs (6 pistion + 6 piston ring set). We have to requir your engine number or VIN check for your before order, any order with out confirm will be canceled for the over size piston, we also need your bore size to confirm. The count starts from the day after you placed your order and excludes weekends and holidays. We are subject to labor law regulations that restrict weekend sales services. All the warrantee Are Limited in Parts Only, engine rotation is very Danger, to be safe when the engine running all the people must keep distance at least 10 feet away from engine rotation radius, any time the shut down valve must be active, keep your engine can be stop any time.