Our basic Billet SFI Certified flywheel model for the Honda GX340 and GX390 engines.For use with the Honda UT2 style coil only. The keyway is fixed in the stock position with a stock key. Will work with the stock pull rope only. No coil bracket is required, uses the stock UT2 style coil with built in 4500 rpm rev-limiter.You will need non rev-limited UT2 style coil to bypass the rev-limiter. Starter ring gear can be purchased separately and added later. Weighs 4-1/2lbs.