This listing is for a Set of 4 Mopar Factory Replacement Iridium Spark Plugs for a 6.4L Engine. If you are unsure if this item will fit your vehicle, please contact us with your VIN to verify compatibility. This item is compatible with the following vehicles:

2014-2021 Ram 2500
2014-2021 Ram 3500
2014-2021 Ram 4500/5500

Part #SP138239AC (Box of 4)