This flat head flywheel key is ideal for flat head engines. It replaces the old part number 555054, offering a reliable solution for engine maintenance.

To use this flywheel key, first make sure your engine is turned off and cooled down. Locate the flywheel on your flat - head engine and carefully insert the key into the designated slot. Ensure it fits snugly. When handling, be gentle to avoid bending or damaging the key. As for maintenance, regularly check the key for signs of wear or damage. If you notice any issues, replace it promptly to keep your engine running smoothly. Also, store the key in a dry place when not in use to prevent rusting.