NGK LTR7IX-11 Iridium Spark Plugs [Pack of 4] (2011 - 2017 Mustang 5.0L 1 Step Colder/18-23 Mustang 5.0L OEM Heat Range / 2024 - 2026 Mustang 5.0L / 2011 - 2020 F150 5.0L) 6510

NGK LTR7IX-11 Iridium Spark Plugs, Pack of 4 (6510) - 2011 - 2026 Ford Mustang 5.0L / 2011 - 2020 Ford F-150 5.0L

Give your Coyote-powered Ford the ignition performance it deserves with the NGK LTR7IX-11 Iridium Spark Plugs (Part #6510). Designed specifically for performance enthusiasts, these premium iridium plugs deliver exceptional ignitability, long-lasting durability, and a consistently stable spark. Whether you're maintaining a stock engine or supporting a modified combination, NGK's IX Iridium Series provides the reliability and performance trusted by enthusiasts around the world.

This pack includes four spark plugs, making it ideal for servicing one cylinder bank on your V8. Two packs are required for a complete set of eight spark plugs. The LTR7IX-11 serves as a one-step colder plug for 2011-2017 Mustang 5.0L applications and matches the OEM heat range for 2018-2023 Mustang 5.0L models. It is also an excellent choice for 2011-2020 Ford F-150 5.0L trucks. Featuring a fine wire 0.6mm iridium center electrode, trivalent metal plating, and a copper core, these plugs offer excellent heat dissipation, corrosion resistance, and dependable ignition under demanding conditions.

NGK's advanced construction includes a pure alumina silicate ceramic insulator for superior strength and efficient heat transfer, corrugated ribs to reduce flashover, and triple seals to prevent combustion gas leakage. As an authorized NGK dealer, Beefcake Racing is committed to providing genuine NGK products backed by outstanding customer service and technical support.

Features

• NGK LTR7IX-11 IX Iridium Spark Plugs
• Part Number: 6510
• Pack of 4 spark plugs, purchase quantity of 2 for a complete V8 set
• One-step colder for 2011-2017 Mustang 5.0L applications
• OEM heat range for 2018-2023 Mustang 5.0L applications
• Fine wire 0.6mm iridium center electrode for enhanced ignitability
• Stable spark and outstanding durability
• Iridium alloy construction for high-temperature performance
• Trivalent metal plating resists corrosion and helps prevent seizing
• Corrugated ribs reduce the risk of flashover
• Pure alumina silicate ceramic insulator improves strength and heat transfer
• Copper core promotes efficient heat removal
• Triple seals help prevent combustion gas leakage
• Ideal for street and performance applications
• Typical service life of 40,000 to 50,000 miles

Specifications

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Tapered
• Resistor: Yes
• Resistor Value: 5K Ohm
• Reach: 25mm (1")
• Hex Size: 5/8" (16mm)
• Terminal Type: Solid
• Overall Height: ISO
• Gap: 0.043" (1.1mm)
• Heat Range: 7
• Torque Specification (Cast Iron): 10.8-18 lb-ft
• Torque Specification (Aluminum): 7.2-14.5 lb-ft

Fitment

• 2011 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2012 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2013 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2014 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2015 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2016 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2017 Ford Mustang GT 5.0L V8 (1-Step Colder)
• 2018 Ford Mustang GT 5.0L V8 (OEM Heat Range)
• 2019 Ford Mustang GT 5.0L V8 (OEM Heat Range)
• 2020 Ford Mustang GT 5.0L V8 (OEM Heat Range)
• 2021 Ford Mustang GT 5.0L V8 (OEM Heat Range)
• 2022 Ford Mustang GT 5.0L V8 (OEM Heat Range)
• 2023 Ford Mustang GT 5.0L V8 (OEM Heat Range)
• 2024 Ford Mustang GT 5.0L V8
• 2025 Ford Mustang GT 5.0L V8
• 2026 Ford Mustang GT 5.0L V8
• 2011 Ford F-150 5.0L V8
• 2012 Ford F-150 5.0L V8
• 2013 Ford F-150 5.0L V8
• 2014 Ford F-150 5.0L V8
• 2015 Ford F-150 5.0L V8
• 2016 Ford F-150 5.0L V8
• 2017 Ford F-150 5.0L V8
• 2018 Ford F-150 5.0L V8
• 2019 Ford F-150 5.0L V8
• 2020 Ford F-150 5.0L V8

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov