Fits Stens 445-065 Flywheel Keys Fits Briggs and Stratton 222698SPack of 10 New Aftermarket Replacement Flywheel Keys Fits Briggs and Stratton Small Engines The flywheel key is a small but critical ignition timing component that keeps the engine flywheel precisely aligned to the crankshaft. If the key shears typically when the engine is forced to stop suddenly ignition timing is thrown off and the engine will not restart. This aluminum style key replaces the older die cast style and is Fits Briggs and Stratton