Solid Outer Race with Chromoly Cage. The fit between balls and tracks is very loose to allow for maximum angles)Larger C.V. points make it possible to run increased loads and axle angles. EMPI's hi-performance C.V. Joints offer all the quality benefits a Hi-Performance C.V. Joint should. They include chromoly cages and hardened alloy inner/outer races that are precision machined ground and inspected.