Improved ignition performance, durability and anticarbon build-up. The Ultimate sparkspark plug for increasing performance of tuned or stock engines.
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.
SUPER FIRE RACING
Ignition, durability, insulation, all reinforced.
HKS designed a perfect spark plug for all types of engine.
SUPER FIRE RACING M Series
SUPER FIRE RACING MR Series
|M SERIES||JIS Type|
|M-i SERIES||JIS Type|
|M-iL SERIES||LONG REACH Type|
|RE SERIES||Rotary Type|
|M-G SERIES||4G63/L Type/FJ Type/2T-G/3T-G or Long Type|
|M-X SERIES||For Small/Compact Car|
|M-XL SERIES||LONG REACH Type of M-X Series|
|M-HL SERIES||Screw is the same size of the M-XL Series and Plug Wrench Size of 14mm|
|M-LF SERIES||Mazda Conical Seat Type|
|MR-HLZ SERIES||Thread and Wrench sizes are the same as M-HL Series. Fire point protrudes 2 mm.|
|MR-XLZ SERIES||Thread and Wrench sizes are the same as M-XL Series. Fire point protrudes 2 mm.|