Brisk LTR7 1-Step Colder Spark Plug (RR14YS) - 2011 - 2026 Mustang GT / 2011 - 2020 Ford F-150 5.0L
Take your Coyote-powered performance to the next level with the Brisk LTR7 1-Step Colder Spark Plug (RR14YS). Designed for modified and higher-performance applications, this premium spark plug delivers reliable ignition performance under increased cylinder pressures and temperatures. Whether your 5.0L Ford Mustang GT or F-150 is naturally aspirated, supercharged, turbocharged, or running custom tuning, the Brisk LTR7 is engineered to provide consistent spark energy and dependable performance when it matters most.
For more than 80 years, Brisk has built a reputation for manufacturing innovative spark plugs that combine durability, efficiency, and application-specific performance. From dependable daily drivers to dedicated race vehicles, Brisk develops ignition solutions that outperform conventional spark plugs while meeting the demands of today's modern engines. Brisk products are trusted across automotive, racing, marine, powersports, ATV, motorcycle, karting, and other performance applications, delivering proven results wherever reliable ignition is required.
Brisk USA is committed to providing advanced ignition solutions for enthusiasts, racers, OEM applications, and automotive professionals. Their dedication to engineering has produced industry-leading innovations, including the world's first single-piece billet replacement spark plug for Ford Modular 3-Valve engines that eliminated the common issue of factory spark plug breakage during removal. This commitment to solving real-world problems continues with products like the LTR7, giving performance enthusiasts confidence in every ignition event.
Features
- Brisk LTR7 1-Step Colder Spark Plug
- Part Number: RR14YS
- One-step colder heat range than factory spark plugs
- Ideal for modified, high-performance, and forced induction applications
- Provides consistent ignition under increased cylinder pressure and heat
- Designed for modern Ford Coyote 5.0L engines
- Engineered for exceptional durability and reliable performance
- Manufactured by Brisk, an ignition technology leader with over 80 years of experience
- Suitable for street, performance, and racing applications
- Backed by Brisk's commitment to innovative spark plug design and engineering
Fitment
- 2011 Ford Mustang GT 5.0L V8
- 2012 Ford Mustang GT 5.0L V8
- 2013 Ford Mustang GT 5.0L V8
- 2014 Ford Mustang GT 5.0L V8
- 2015 Ford Mustang GT 5.0L V8
- 2016 Ford Mustang GT 5.0L V8
- 2017 Ford Mustang GT 5.0L V8
- 2018 Ford Mustang GT 5.0L V8
- 2019 Ford Mustang GT 5.0L V8
- 2020 Ford Mustang GT 5.0L V8
- 2021 Ford Mustang GT 5.0L V8
- 2022 Ford Mustang GT 5.0L V8
- 2023 Ford Mustang GT 5.0L V8
- 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
