Improved ignition performance, durability and anticarbon build-up. The Ultimate sparkspark plug for increasing performance of tuned or stock engines.
HKS Plug ignites faster and efficient for the best fuel efficiency and the best performance in all situation and environment. It’s very important to provide safe and stable ignition for engine to perform at a maximum power. HKS Super Fire Racing plug is the best plug item for extreme racing driving and also works fine for the normal tuning engine.
Ignitionability, durability, anti-insulation all reinforced.
HKS has made the best plug for both tuning engine and normal engine.
||LONG REACH Type
||4G63/L Type/FJ Type/2T-G/
3T-G or Long Type
||For Small/Compact Car
||LONG REACH Type of M-X Series
||Screw is the same size of the M-XL Series and Plug Wrench Size of 14mm
||For Matsuda Conikal Sheet Type