The Clone engine is shipped ready to install your accessories. Fuel tank, governor, muffler and air cleaner are not included but available. The throttle rod and springs are provided for mounting a top plate / throttle kit. ***PLEASE NOTE*** as of 8/23/2012 engines do not come with a flywheel or cam. However, the lifters, push rods, fan, starter cup and flywheel nut are included with the engine.