As long as IK/KH/Q/W/T16/20L (Original 1.1mm) once is gapped to 0.8mm => more power and performance can be expected (immediate effect after installed).
Measurement of plug gapping to 0.8mm will be shown to buyer during order collection.
'(00): Usually, after drooling over the latest JDMs in jap mags and videos it'll generally take about 2 years for a used, grey-import to arrive here. Which we're all used to. What we have here today is a R35 GTR...