Fram Iridium Ultra Spark Plug

The Fram Iridium Ultra spark plug (Autolite Iridium Ultra) is a premium iridium spark plug for late-model engines. It has a laser-welded, iridium-enhanced finewire center electrode. This design focuses the spark for strong ignitability, quick acceleration and good fuel efficiency. It is an OE-quality replacement ignition plug.

Key Features:

• Finewire iridium center electrode: Ultra-fine 0.5 mm laser-welded design gives a focused ignition for performance and efficiency.
• Double precious metal design: An iridium-enhanced center electrode and a proprietary platinum ground electrode resist wear and extend service life.
• Tapered ground electrode: Improves ignitability for better combustion.
• High alumina ceramic insulator: Gives strong electrical insulation and good thermal conductivity.
• Multi-rib insulator: Helps prevent flash-over.
• Copper core: Improves heat transfer for reliable performance.
• Nickel-plated shell: Resists corrosion.
• Long service life: Rated for up to 100,000 miles of durability and backed by a lifetime limited warranty.

Use a torque wrench and follow the manufacturer's torque recommendations when installing. This keeps the plug seated correctly and protects the threads.