Improving ignition power is one way to make even more power! Turned up the boost on your ST or RS Focus? These colder plugs and Accel coil packs are the perfect combo to prevent detonation, and dramatically improve ignition power.
Features and Benefits:
- Up to 15% Increase in Spark Energy
- Improved Throttle Response
- Shock and Vibration Resistant High-Temperature Vacuum Applied Epoxy
- Maximizes Fuel Mileage
- Direct OEM Replacement
- ODB II Compatible
- Sold as a Set of 4
- Easy Installation
- Two heat ranges colder for Focuses with extreme performance modifications
- As opposed to Iridium or Platinum spark plugs, HP Copper plugs are gapable
Accel’s Black Supercoil Coil Packs with 2 Heat Range Colder Spark Plugs (140670K-4 and 578C2-4) for 2013-2018 Focus ST and 2016-2018 Focus RS will help unleash an increased spark energy up to 15%. The Coils are made using High-Temperature Vacuum applied Epoxy that is Shock and Vibration resistant.
These are a Direct OEM replacement Coil on plug design. Once installed you will notice your throttle response will increase and have a cleaner idle all the way to redline. This will also help maximize your fuel economy in your 2013-2018 Focus ST and RS.
The Accel HP Copper Core Spark Plugs that come with the Black Coils are 2 Heat Range Colder Plugs than stock heat range and will improve heat dissipation and conduction to optimize your upgraded engine performance and ideal for applications using added boost or alternative fuels (race gas).
This Kit Includes:
- Set of 4 Black Accel Supercoil Coil Packs (140670K-4)
- Set of 4 Accel 2 Heat Range Colder Spark Plugs (578C2-4)
- 2013-2018 Focus ST
- 2016-2018 Focus RS
Tech Tip: The upgraded high-quality spark plugs that are included in this kit are two heat ranges colder than the stock 2013-2018 Focus ST and 2016-2018 Focus RS spark plugs and ideal for applications using added boost or alternative fuels (race gas). For stock applications, please see CJ Pony Parts Number: SPCPK1 and for applications using typical bolt-on parts and an off-the-shelf calibration, please see CJ Pony Parts Number: SPCPK2.