Autolite AP5325-4PK Platinum Spark Plug, 4 Pack
- 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.