Genuine NGK LTR7IX-11 x 4 Iridium IX Spark Plugs for Mazda Ford Ecoboost GM Cadillac Holden Chevrolet.
Vehicle Fitment:-
Ford
• Focus ST (2012–2018) – 2.0L EcoBoost engines (requires 4 plugs, usually gapped smaller for tuned setups).
Focus RS (2016–2018) – 2.3L EcoBoost engines.
Mustang EcoBoost (2015+) – 2.3L EcoBoost engines.
Mustang GT & Boss 302 (2011–2023) – 5.0L V8 engines (requires 8 plugs).
Chevrolet
• Camaro (2011–2015) – 3.6L V6 and 6.2L V8 engines.
Cadillac
• CTS Vsport (2014+) – 3.6L V6 TT.XTS Vsport (2014–2015) – 3.6L V6 TT. [1]
Holden
• Colorado (2008–2012) – 3.6L V6.Commodore (2010+ Models like VE V6 and LPG).
Mazda
• Mazdaspeed 3 / MPS (2010–2013) – 2.3L DISI Turbo engines.
Mazdaspeed 6 / MPS (2010–2013) – 2.3L DISI Turbo engines.
Pack Quantity: 6 Units
The NGK LTR7IX-11 Iridium IX spark plug is primarily used in a variety of high-performance and turbocharged car engines, often as a "one step colder" upgrade for modified vehicles. Specific car applications include: Mazda: Mazdaspeed 3 Mazdaspeed 6 Mazda CX-7 (specifically the MZR DISI engine) Ford (Ecoboost Engines): Focus ST (2.0L Ecoboost) Focus RS (2.3L Ecoboost)
Fiesta ST Mustang (Ecoboost models) Ford (Coyote Engines): Mustang GT 5.0L V8 (often as an upgrade)
General Motors/Cadillac: Cadillac CTS Vsport Cadillac XTS Vsport (V6, 3.6L models) Holden/Chevrolet (primarily Australian/International markets): Certain models with the 3.6L V6 engine (e.g., Holden Commodore, Colorado, often for LPG or specific trim levels). Important Note: The LTR7IX-11 has a heat range of 7, which is one step colder than the heat range 6 plugs often installed in these vehicles from the factory. This spark plug is frequently recommended for vehicles that have been modified or tuned (e.g., higher boost, performance tunes) to better handle the increased heat generated by the performance upgrades. Always verify the exact spark plug part number with your vehicle's owner's manual or a manufacturer-specific fitment guide, especially if your vehicle is stock. If your car is tuned, follow the recommendation of your tuner.
