Ignitions and Electrical› Ignition Components

NGK

NGK 6510 Iridium IX Spark Plugs Mustang GT 5.0L V8 2011-2017 / Focus ST/RS 2013-2017 / Ford F150 Eco

$24.39

SKU: N003 LTR7IX-11

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Optimized for the performance enthusiast, the NGK LTR7IX-11 (Stock No. 6510) is the go-to ignition upgrade for high-performance GM LT-series engines. These plugs are engineered to provide a more stable spark and superior durability under the extreme conditions found in modern high-tech engines.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandNGK
Part NumberN003 LTR7IX-11

Videos

NGK 6510 LTR7IX-11 Iridium Spark Plug For MazdaSpeed 3 / Ford Focus ST, Mustang GT & BOSS

NGK 6510 LTR7IX-11 Iridium Spark Plug For MazdaSpeed 3 / Ford Focus ST, Mustang GT & BOSS
Focus ST/RS NGK Spark Plugs Iridium IX Set 2013-2018/2016-2018 Installation

Focus ST/RS NGK Spark Plugs Iridium IX Set 2013-2018/2016-2018 Installation
Tech || Spark Plug Frequently Asked Questions - Terminator, GT500, and Boosted Coyote

Tech || Spark Plug Frequently Asked Questions - Terminator, GT500, and Boosted Coyote
Step Colder Spark Plug Install for Focus ST! (Important)

Step Colder Spark Plug Install for Focus ST! (Important)
Spark Plug & Wire Install + Gapping Guide - 2016-2024 Camaro

Spark Plug & Wire Install + Gapping Guide - 2016-2024 Camaro
How to Gap Iridium Spark Plugs

How to Gap Iridium Spark Plugs
Mazdaspeed3 Spark Plug replacement

Mazdaspeed3 Spark Plug replacement
How to GAP your [Mazdaspeed 3] spark plugs

How to GAP your [Mazdaspeed 3] spark plugs
What's the Difference Between These Spark Plugs? | Engine Masters

What's the Difference Between These Spark Plugs? | Engine Masters

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy