Autolite AR3910X Spark Plug

• Fuel Compatibility: Gasoline or Methanol

• Key Benefits:

  • Replacement racing spark plug used by professional car drivers.

  • Colder heat ranges for enhanced performance modifications and durability under intense conditions.

  • Yttrium-enhanced alloy reduces sidewire temperature by up to 8% for less pre-ignition and improved durability.

  • Cut-back ground electrode for better flame kernel ignitability.

  • Coated with anti-corrosive nickel plating to prevent rusting.

  • Potential for up to 3/4 HP gain compared to the stock clone plug.

   

• Usage Tip: Run the engine hot (at least 425°F) for optimal performance.

Compatibility

• Most 5.5HP or 6.5HP OHV Honda / Clone Engines

• Honda GX160 / GX200

• Predator 212cc

• Briggs Animal / LO206

Technical Specifications