True race block which will work with most standard components. Provisions for wet or dry sump oiling systems. Great for power adders and maximum effort engines. The Dart Little M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf small block components. The Little M2 is cast from premium high strength Iron and beefed up in all the critical areas.? A competition oiling system ensures adequate lubrication to the main bearings at high RPM.