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.
jus wanna ask u guys how does it feel driving an auto/manual skyline?
performance wise...(on a stock car)...
jus wonderingg...and want to dream oso :shades_smile: