…CaseFits Case 410 & 420 Skidsteer Engine Rebuild Overhaul Kit. Kit contains pistons(with wrist pins),rings,rod bearings,main bearings and a gasket set.Available in STD and .5MM oversize bore. Bearings are available STD,.25MM and .5MM undersize. Please specify size at time of order. We have personally used these rebuild kits in about 40 engines that we have rebuilt to go into skidsteers and tractors. In stock in PA and ready to ship. If you have questions on these engines or the parts feel free to ask.