Description:Cat® Gear Rings are held to the highest standards of quality and reliability. Cat flywheel gears are important components of flywheels, which store and release rotational energy. Cat flywheel gear is fitted on the periphery of the flywheel.HardenedRoHS complaintApplication:Cat flywheel gear is used to transfer torque from the starter motor pinion to the flywheel or flex plate to rotate the engine to begin the cycle. Consult your owner's manual or contact your local Cat Dealer for more information.