NGK
NGK Iridium IX
$90.60
SKU: 3689 · Ignition & Electrical
Product Details
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
- Fine iridium tip ensures durable and consistent spark
Vehicle Fitment 15 applications
Cadillac (1)
- 2009–2015 CTS 6.2L LSA Supercharged V8
Chevrolet (4)
- 2006–2013 Corvette 7.0L LS7 V8
- 2009–2013 Corvette 6.2L LS9 Supercharged V8
- 2012–2015 Camaro 6.2L LSA Supercharged V8
- 2014–2015 Camaro 7.0L LS7 V8
Ford (10)
- 1999–2001 Ranger 2.5L L4
- 1999–2004 Ranger 3.0L V6
- 1999–2004 Ranger 4.0L V6
- 1999–2006 Taurus 3.0L V6
- 1999–2003 F-150 5.4L 2V Supercharged V8
- 2001–2004 Ranger 2.3L L4
- 2004 F-150 Heritage 5.4L 2V Supercharged V8
- 2005–2006 GT 5.4L 4V Supercharged V8
- 2007–2012 Mustang 5.4L 4V Supercharged V8
- 2013–2014 Mustang 5.8L Trinity Supercharged V8