Used item OS FP MAX 60 Rc Engine Kit Parts, this came off à plane that was built and crash on the first flight . The engine has a crack where the bolts feed thru only on one end, does not look like it will affect the engine performance , I suggest to fix crack before mounting , not sure if all parts are there to build a complete plane , so incomplete . It was running perfect before the crash the plane it self wasn’t built right so it took a crash , let me know if you have any questions thx .