NGK Spark Plugs Iridium IX Set Focus ST 2013-2016

NGK Spark Plugs: 6510
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NGK Spark Plugs Iridium IX Set Focus ST 2013-2016
NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 Play NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 Video 1
NGK Spark Plugs

Product Description

Set of Four NGK Iridium IX Spark Plugs for all 2013, 2014, 2015 and 2016 Focus STs.

These spark plugs are designed specifically for the performance enthusiast so they are perfect for the 2013-2016 Focus ST that has lots of upgrades and high boost applications installed. Iridium alloy is used in these great new spark plugs providing an extremely high melting point that is ideal for the high-tech, high performance engine in your 2013-2016 Focus ST.

- Fine Iridium Tip Has High Durability and a Consistently Stable Spark
- Extremely High Melting Point
- Trivalent Metal Plating
- Superior Anti-Corrosion and Anti-Seizing Properties
- Outstanding Acceleration, High Fuel Efficiency and Durability
- Ultimate Design, Technology and Performance
- Heat Range -1 Colder Than Factory Plugs

This set of four Iridium IX Spark Plugs from NGK Spark Plugs fits all 2013-2016 Focus STs and is perfect for high boost applications. These plugs have superior anti-corrosion properties and a higher melting point than the original stock plugs do. If you want a cooler spark plug that is durable and delivers a consistent, reliable spark, then look no further than this set from NGK Spark Plugs. These spark plugs offer extreme ignitability, improved throttle response and superior anti fouling, all great and welcome benefits for improving the function of your 2013, 2014, 2015 or 2016 Focus ST’s engine and all around performance!

NGK Spark Plugs is known for their numerous contributions to the spark plug market, including the development of copper core spark plugs, new ceramic technology and the development of iridium spark plugs like these. NGK Spark Plugs also developed the V-Groove spark plug, which is an ideal product for today's clean burning, low emissions engines. Order yours today from CJ Pony Parts!

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Installation Instructions

Mustang Installation

Focus Applications

This product will fit the following Ford Focus years:

Product Reviews

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NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 is rated 5.0 out of 5 by 6.
Rated 5 out of 5 by from Excellent plugs!!! Plugs lasted about 21k miles New plug (.0295 gap) & Old plug removed (.042) installed at (.0295)
Date published: 2015-10-10
Rated 5 out of 5 by from Nice plugs!! Bought these for my stage 3 2016 focus ST. They come with .044 gap out of the box. Will have to be re-gapped to .028-.036. Overall a great plug that I would recommend to anyone. Rule of thumb is if you're pushing more boost/power, you should upgrade to a colder plug to avoid pre detonation. Not really a necessity but I sleep better at night knowing I'm running these plugs.
Date published: 2016-08-21
Rated 5 out of 5 by from Noticeable difference Replaced the original plugs with these at roughly 35k miles with an Accessport, CAI, and cat-back, there's a definite improvement in performance and the smoothness of the engine. Everything just seems like it takes less effort. Great product, very satisfied.
Date published: 2016-06-05
Rated 5 out of 5 by from 1 step colder purchased these 2x's already, my tuner highly recommends them, and he's highly recommended :-)
Date published: 2015-05-22
Rated 5 out of 5 by from Great plugs Always great products with great customer service. I never had a problem
Date published: 2016-04-12
Rated 5 out of 5 by from Super fast shipping! I bought these for my 2013 ST for my big turbo swap
Date published: 2015-08-28
  • 2016-10-28T07:54CST
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Product Questions

Are these pre gapped?

Asked by: ktaylor0579
Answered by: CJPP Dave
Date published: 2016-10-11

Do these require tuning? 

Asked by: xgxbulletxgx
Answered by: CJPP Dave
Date published: 2016-09-30

What is the torque spec for the spark plugs?

Asked by: nyr9791
Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft. / Straight from the NGK website
Answered by: Pork
Date published: 2016-05-17

Can you confirm what model or SKU of NGK spark plugs these are.

Asked by: Jamie boyer
The information is shown in the last image. These are NGK 6510 spark plugs. The NGK SKU is LTR7IX-11
Answered by: CJPP Dave
Date published: 2016-07-02
  • 2016-10-28T08:22CST
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Product Video

NGK Spark Plugs Iridium IX Set Focus ST 2013-2016 Video Transcript
By Bill Tumas: So far I've covered most of the basic bolt on modifications to our white Focus ST. I've got a Roush Cold Air Kit, Cobb Downpipe Full Master Exhaust and recently installed a Cobb front mount intercooler. We plan on getting this car back on the DYNO, before we do so, we want to do one more modification, remove our factory spark plugs, replace them with these iridium plugs from NGK. The iridium tips are going to give us a nice consistent spark. These plugs are one heat range colder, making them perfect for high boost application like our Focus.

For this installation you need a 3/8" ratchet, 5/8 " spark plug socket or 5/8 " deep socket 6" extension, 1/4" ratchet,8 mm socket, spark plug gapping tool, and anti-seize.

We being the install by removing the engine cover. The spark plugs are underneath each of these 4 coils located here. If you making a power that you probably want to change your plugs, there's a good possibility you're way in after market colder, a kit like we are. As you can see the colder kit does cover the hardware, so you do have to remove this pipe and move it out of the way, to be able to remove that coil.

Start by disconnecting it from the rubber hose. Next remove the two mounting screws, and disconnect the rubber sleeve. That allows it push it back far enough to be able to reach the hardware to remove it. I'm going to pull up on this wiring harness to access the hardware. Disconnect the plug in the front. A little twist and pull it right out. Spark plugs require a 5/8" socket to remove it. If you have a spark plug socket that this one here, it'll make the job easier, but a standard 5/8" deep socket with an extension will work as well. The spark plugs come out of the box with a gap somewhere between 45 and 50 thousandths. The Focus ST, we suggest between 30 and 32 thousandths.

Make sure you put some anti-seize on before you install it. You are going to want to reinstall the coil. We'll install the harness, plug it back in. Then repeat the process with the other 3. Now we're done, we'll reinstall our cold air kit. Reinstall our engine cover, and your installation is finished. As you can see installing a set of spark plugs in your Focus ST is pretty straightforward. The NGK iridiums are perfect for a higher boost application. For a stock application you wouldn't need the heat range cold air plugs that we're using here. The installation should only take you around 20 minutes. You'll be back one the road in no time.