Autolite High Thread Pro plugs are expertly crafted for Ford 3V engines, offering unmatched durability and performance. Featuring a fine-wire platinum center electrode, these plugs deliver focused ignition power and extended service life, while the extra-long special electrode projection ensures optimal combustion efficiency. The ground strap enhances heat transfer, outperforming standard J-gap plugs, and the proprietary design boosts heat management, fouling resistance, and dielectric strength. With threads positioned above the cylinder head seating, these plugs create a compressive seal for improved engine reliability. The nickel-plated shell provides superior corrosion resistance, ensuring long-lasting performance even in demanding conditions. Designed and engineered in the USA, these spark plugs embody over a century of Autolite's expertise, making them a premium choice for performance-grade ignition systems.

Product Features:

• Engineered with a fine-wire platinum design that provides more focused ignition power and longer service life.
• The ground strap provides improved heat transfer over standard J-gap plugs.
• Its proprietary design improves performance for heat management, fouling resistance & increased dielectric strength.
• The position of the thread above the cylinder head seating allows for a more compressive seal.
• Designed with a nickel-plated shell that delivers increased protection against corrosion.
• Engineered in the USA: Designed and engineered in the USA, leveraging over 100 years of Autolite's engineering expertise and experience.