Double Platinum Spark Plug

The AUTOLITE Double Platinum Spark Plug (APP5263) is designed for drivers seeking reliable ignition performance and extended service life. This spark plug is suitable for both high-mileage daily drivers and performance engines, ensuring consistent ignition across various engine applications.

Featuring a dual-platform electrode design with platinum-coated electrodes on both the center and ground electrodes, the Double Platinum spark plug resists erosion and oxidation. This design helps maintain consistent spark gap wear characteristics, reducing the risk of fouling or misfires as the plug ages. Its robust construction and optimized heat range facilitate efficient heat transfer, preventing pre-ignition and ensuring proper thermal performance.

Ideal for mechanics and vehicle owners, this spark plug offers predictable performance without the premium pricing associated with exotic materials. It is particularly beneficial for stock and lightly modified gasoline engines, providing dependable ignition that professionals and DIY enthusiasts can trust.