HKS Super Fire Racing Spark Plug M-XL Series - M45XL Golf both lightweight and compact for

both lightweight and compact for a easy straightforward upgrade

This version has full aluminum construction with for weight reduction and has wider than standard shaft for extra durability and impact

Included is everything required for installation to the engine and can be used throughout different tuning step up to the 300ps mark

This prevents the diaphragm from sealing

This item is designed as a direct bolt-on application within the engine bay

HKS Super Fire Racing Spark Plug M-XL Series - M45XL Golf both lightweight and compact forThese are XL Type and use both Iridium and Platinum for utmost performance for street and race applications. This plugs are recommended for reliable ignition, durability and anti carbon buildup under high load. This are the Ultimate spark plug for increasing performance of tuned or stock engines.