The Flywheel provides momentum to keep the engine turning.
This is the standard flywheel that comes with the HPI Hellfire and fits both the #15201Nitro Star K4.6 and #15204Nitro Star K4.6HO engine.
HPI Genuine Spare Parts are manufactured to the highest quality as direct replacements of the stock part to make maintainance of your HPI RC Car as easy as possible.
