HKS MR Series Super Fire Racing Spark Plugs - 17+ Civic Type-R (FK8/FL5)

Concept and Features

M12 Long Reach Sparkplug with proturding electrode for such vehicles as Honda Civic Type R and Suzuki Swift Sport.
- The lineup is equivalent NGK No. 8 and No. 9 heat values. New series of plugs inherits the best from existing M series and features Ruthenium Alloy Electrode to provide a reliable spark for all vehicles, including vehicles with increased boost or lightly tuned vehicles.
- On top of extended lifetime, use of Ruthenium alloy allows a better fuel burn, resulting in quicker throttle response, smoother idle and better cold starts.

Warning

 Use of this spark plugs on a vehicle not compatible with this type of spark plugs may lead to serius engine damage. When replacing sparkplugs, be sure to compare the shape of a new plug with the installed one. Please select an appropriate spark plug for yor vehicle.

Features:

- Ruthenium Alloy Center Electrode reduces voltage requirement as well as ignition perfomance improvement and durability.
- Brass Terminal offers film fitting to plug wire or coil-pack.
- Plating coating for better insulation and excellent corrosion resistance.
- Outer electrode with platinum squre chip improves ignition, maximum durability, combustion speed and quality.
- The outer electrode has been shortened and engineered with the ideal shape to decrease weight for resistance against vibration.

- Protrusion type Thread: 12 L=26.5mm
- Wrench Size 14mm
- Heat Range NGK #9

Price listed is for a set of 4 plugs.