Autolite Platinum Spark Plugs feature a center wire platinum firing tip for reduced gap erosion, fewer misfires, better performance, and more durability. These spark plugs also feature a high nickel alloy side electrode to maintain a precise gap, and a full platinum tip to ensure virtually no gap erosion. The necked-down center electrode fires quicker, cleaner, and with less voltage for easier starts, quicker acceleration, and improved fuel economy. Guaranteed for 4 years. Part Number AP24 (Mfg Part Number AP24) is sold as AP24-4PK in a pack of 4 spark plugs. Thread size: 14mm. Top material: Alloy Steel. Unit count: 1.0 Count. Compatible with vehicle type: Car.
- full platinum tip ensures virtually no gap erosion for long plug life
- yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life
- necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy
- platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing
- nickel-plated steel shell for long-life corrosion resistance
