Denso ITV24 Spark Plugs: Two Steps Colder for Peak Performance
Ideal for vehicles running high boost levels, these two - step colder spark plugs enhance ignition efficiency.
Not pre - gapped. We suggest starting with a 0.026 - inch gap to prevent ignition misfires, adjusted according to your fuel and boost.
When installing, use a proper spark plug socket to avoid closing the gap. Tighten to 15 lb - ft or 1/16 turn after seating.
Heat Range Guide:
ITV20 - Standard heat range
ITV22 - One step colder than standard, great for tuned stock turbo vehicles
ITV24 - Two steps colder than standard, perfect for high - boost setups
Fitments:
Mustang EcoBoost 2015 - up
Focus ST 2013 - up
Fiesta ST 2014 - up
Fusion 2014 - up
Mazdaspeed 3 2007 - up
Mazdaspeed 6 2006, 2007
Using these Denso ITV24 spark plugs is a breeze. First, make sure your engine is cool. These plugs aren't pre - gapped, so start with a 0.026 - inch gap and adjust it based on your fuel and boost levels. Use a proper spark plug socket to install them. Avoid dropping the plugs into the hole as it can close the gap. Once you place the plug, tighten it to 15 lb - ft or give it a 1/16 turn after it seats. As for maintenance, check the gap regularly, especially if you notice any ignition issues. These plugs are great for high - boost engines, so keep that in mind when you're customizing your vehicle. They fit a range of cars like the Mustang EcoBoost from 2015 onwards, Focus ST from 2013 onwards, and more.
