High Thread Spark Plug

Autolite High Thread Pro plugs are an OE patented design exclusively for Ford 3V engines. Its comprehensive seal provides more durability, greater power, improved heat transfer, and a more focused ignition, ensuring your engine reaches and maintains optimal performance levels.

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.