The Champion Copper Plus Spark Plugs Pack of 8 New Stock No.37 RV17YC6 are direct replacement spark plugs designed for OEM compatibility. Made of copper material, these spark plugs offer reliable performance and are a cost-effective option for maintaining your ignition system. The pack of 8 ensures you have plenty of spark plugs on hand for any necessary replacements, making it a convenient addition to your car or truck parts collection. With the Champion brand reputation and the manufacturer part number RV17YC6-8, you can trust that these spark plugs will get your vehicle running smoothly.