Upgrading your Mitsubishi’s spark plugs is one of the most straightforward and effective ways to enhance engine performance and efficiency. Whether you drive a Lancer, Outlander, or Eclipse, the right spark plugs can improve fuel combustion, increase power, and reduce emissions.

Why Upgrade Your Spark Plugs?

Factory-installed spark plugs are reliable but may not be optimized for performance. Upgraded spark plugs offer better ignition, improved durability, and can handle higher temperatures, which is especially beneficial if you’ve made other modifications like a turbo upgrade or exhaust system change.

Choosing the Right Spark Plugs

  • Material: Iridium and platinum plugs last longer and provide a stronger spark than standard copper plugs.
  • Heat Range: Select plugs with the correct heat range for your engine to prevent fouling or overheating.
  • Gap Size: Ensure the spark plug gap matches your Mitsubishi’s specifications for optimal ignition.

Always consult your vehicle’s manual or a trusted Mitsubishi performance expert when selecting spark plugs.

Installation Tips

  1. Allow the engine to cool before removing old spark plugs.
  2. Use a spark plug socket to gently remove and install plugs without damaging the threads.
  3. Check and adjust the gap on new plugs before installation.
  4. Tighten plugs to the manufacturer’s torque specifications to avoid over-tightening.
  5. Test drive your vehicle to ensure smooth engine performance.

Upgrading your spark plugs can lead to noticeable improvements in throttle response and fuel economy, making it a smart modification for everyday Mitsubishi owners.