HKS Plugs ignites faster with a predictable strong spark to improve fuel efficiency and achieve the best performance in any conditions and environment. It's very important to provide reliable ignition for an engine to perform at a maximum power. HKS Super Fire Racing Plug is the best plug item for extreme racing conditions, that also will perfectly fit in the stock engine as well.
Sold Individually
Spark Plug Type | Thread Size | Wrench Size | Heat Range | Product | Code No. |
---|---|---|---|---|---|
G Type | φ14×19mm | 20.8mm | NGK #9 | SUPER FIRE RACING M45 | 50003-M45G |
Ultimate spark plug "M".
Ignitionability, durability, anti-insulation are all reinforced. HKS has made the best plug for both tuning engines and stock engines.
Rotary engines reciprocating design have a different mechanism and combustion condition. RE-type spark plugs are specially designed to meet the different requirement for rotary engines. The straight shape platinum outer electrode enables reliable ignition performance.
HKS | 25 | 30 | 35 | 40 | 45 | 50 | 52.5 | 55 |
---|---|---|---|---|---|---|---|---|
DENSO社 | 16 | 20 | 22 | 24 | 27 | 31 | 32 | 34 |
NGK社 | 5 | 6 | 7 | 8 | 9 | 10 | 10.5 | 11 |
* Above information is the reference for heat resistance.