HKS Super fire racing plug MR Series
$121 Original price was: $121.$109Current price is: $109.
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Product code: 50003-MR45HLZ, 50003-MR40XLZ or 50003-MR45XLZ
Price for set of 3 plugs. Please specify the product code when placing the order.
Please select per-product shipping when placing the order. This can be shipped via economy air shipping to most parts of Asia, the US, and Europe. However, the territories cannot be covered with this shipping, we may request an additional shipping charge after the buyer place the order.
Click here for other HKS accessories for GR Yaris
Description
Concept and Features
M12 Long Reach Sparkplug with protruding electrode for such vehicles as Honda Civic Type R and Suzuki Swift Sport.
The lineup is equivalent to NGK No. 8 and No. 9 heat values. The new series of plugs inherits the best from the 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, the use of Ruthenium alloy allows a better fuel burn, resulting in quicker throttle response, smoother idle, and better cold starts.
Warning
Use of these spark plugs on a vehicle not compatible with this type of spark plug may lead to serious 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 your vehicle.
Features
Ruthenium Alloy Center Electrode reduces voltage requirement as well as ignition performance 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 square 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.
The tuning parts are also evolving with the appearance of spark plugs in consideration of fuel efficiency improvement and environmental performance. The use of spark plugs with an ignition position projecting 2 mm more than usual has been increasing. As you are aware, in sports vehicles such as the new Honda Civic Type R and Suzuki Swift Sport, this type of spark plug has also been adopted. We expect more and more cars will use this type of spark plug in the future.
Details on spark plug sizes
The original shape of Suzuki Swift Sport (XL projecting type) is a bracket projecting type, but HKS adopts a shell projecting type to improve resistance against pre-ignition resistance and securing strength.
HKS SUPER FIRE RACING (MR SERIES)
Product | Thread Size | Wrench Size | Heat Range | Code No. |
---|---|---|---|---|
SUPER FIRE RACING MR45HLZ | Protrusion type, Thread: φ12 L=26.5mm | 14mm | NGK #9 | 50003-MR45HLZ |
SUPER FIRE RACING MR40XLZ | Protrusion type, Thread: φ12 L=26.5mm | 16mm | NGK #8 | 50003-MR40XLZ |
SUPER FIRE RACING MR45XLZ | Protrusion type, Thread: φ12 L=26.5mm | 16mm | NGK #9 | 50003-MR45XLZ |
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