The Champion RC12YC spark plug fits many lawn mowers, including the Cub Cadet Z Force S60 Riding Mower. Right now, you can pick one (or several) of these spark plugs up from Home Depot for under $3. Below is a quick online price comparison for the RC12YC plug.
- $2.82 on HomeDepot.com
- $3.45 on Amazon.com
- $3.99 on LawnMowerPros.com
If you need to restock on Sea Foam, Amazon has you covered with a 16-ounce can of Sea Foam for just $6.97.