Unleash the potential of your high-performance engine with HKS M-Series Super Fire Racing Spark Plugs. Engineered to withstand extreme conditions, these spark plugs are designed with precision for drivers who demand exceptional ignition efficiency and stability. Featuring an iridium alloy center electrode and platinum-tipped ground electrode, the M-Series plugs deliver superior durability and reduced wear, making them perfect for high-rev, high-stress applications.
The HKS M-Series plugs offer unparalleled resistance to pre-ignition and knocking, ensuring peak performance even under rigorous racing environments. Their optimized ignition capability translates to faster throttle response and improved fuel efficiency, so you can push your vehicle to its limits without compromising on stability or longevity. With HKS M-Series Super Fire Racing Spark Plugs, experience smoother ignition, enhanced engine power, and the confidence to excel in every race.
HKS Super Fire Racing (M Series) Specifications
| Spark Plug Type | Thread Size | Wrench Size | Heat Range | Product | Part Number |
|---|---|---|---|---|---|
| JIS Type | φ14×19mm | 16mm | NGK #7 | SUPER FIRE RACING M35 | 50003-M35 |
| JIS Type | φ14×19mm | 16mm | NGK #8 | SUPER FIRE RACING M40 | 50003-M40 |
| JIS Type | φ14×19mm | 16mm | NGK #9 | SUPER FIRE RACING M45 | 50003-M45 |
| ISO Type | φ14×19mm | 16mm | NGK #7 | SUPER FIRE RACING M35i | 50003-M35i |
| ISO Type | φ14×19mm | 16mm | NGK #8 | SUPER FIRE RACING M40i | 50003-M40i |
| ISO Type | φ14×19mm | 16mm | NGK #9 | SUPER FIRE RACING M45i | 50003-M45i |
| G Type | φ14×19mm | 20.8mm | NGK #7 | SUPER FIRE RACING M35G | 50003-M35G |
| G Type | φ14×19mm | 20.8mm | NGK #8 | SUPER FIRE RACING M40G | 50003-M40G |
| G Type | φ14×19mm | 20.8mm | NGK #9 | SUPER FIRE RACING M45G | 50003-M45G |
| X Type | φ12×19mm | 16mm | NGK #8 | SUPER FIRE RACING M40X | 50003-M40X |
| XL Type | φ12×26.5mm | 16mm | NGK #8 | SUPER FIRE RACING M40XL | 50003-M40XL |
| XL Type | φ12×26.5mm | 16mm | NGK #9 | SUPER FIRE RACING M45XL | 50003-M45XL |
| LONG REACH Type | φ14×26.5mm | 16mm | NGK #7 | SUPER FIRE RACING M35iL | 50003-M35iL |
| LONG REACH Type | φ14×26.5mm | 16mm | NGK #8 | SUPER FIRE RACING M40iL | 50003-M40iL |
| LONG REACH Type | φ14×26.5mm | 16mm | NGK #9 | SUPER FIRE RACING M45iL | 50003-M45iL |
| HL Type | φ12×26.5mm | 14mm | NGK #8 | SUPER FIRE RACING M40HL | 50003-M40 |
What clients say
-
Really fast and high quality customer support, my order got to me faster than the quoted time too. No complaints
-
The team took a mostly broken car after some work done elsewhere, and have systematically made it reliable and fast for a fair price. The staff are invested in the work they do which also makes a big difference.
-
Jeff was extremely helpful in assisting me with my exhaust. Always kept me updated and answered any queries in a timely manner. Will definitely be coming back for my future mods
-
Justin and his crew is amazing! Always ready to help and service with a smile. Trusty, friendly and reliable! Had my car sent in for repair twice and it’s fixed on time, at a reasonable price and with no issues. Highly recommended!
-
Easy to deal with and part was ordered quickly
