Autolite Double Platinum Spark Plug - APP5364

- Features a platinum-to-platinum design that minimizes gap erosion, extending spark plug life.
- Equipped with a yttrium-enhanced ground electrode for improved heat transfer and durability under high temperatures and pressures.
- High alumina ceramic insulator provides optimal thermal conductivity and dielectric strength.
- Multi-rib insulator prevents flash-over, ensuring consistent performance.
- Pre-gapped at 0.054 inches (1.4 mm), suitable for most applications without additional adjustment.