The (4 pack) Autolite APP104 Double Platinum Spark Plugs is a genuine spark plug kit designed for ignition secondary systems. These direct replacement plugs are made of high-quality platinum material, ensuring reliable performance and long-lasting durability. With a pack size of 4, this bundle offers a convenient and cost-effective solution for maintaining optimal ignition in your vehicle. The Autolite brand is known for its quality and compatibility with various vehicle models, making this product a trusted choice for car enthusiasts looking to improve their engine's performance.