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.
There will be a night auto show organised by metropolitan motorsports enthusiast club on the 5th of May. If you are interested to put up ur car for show. Please PM me or click the link below for more information...