Elevate your vehicle's performance with this set of 4 genuine Motorcraft Iridium Spark Plugs, model SP-535 or SP535X. Engineered for excellence, these spark plugs feature an iridium material that ensures durability and optimal conductivity, resulting in a reliable and efficient spark every time. Ideal for a variety of applications, each plug is meticulously designed to meet OEM standards, guaranteeing a perfect fit and function for your engine. The set includes multiple Interchange Part Numbers for compatibility with other makes and models, making it a versatile addition to your maintenance toolkit. Keep your engine running smoothly with these premium spark plugs....