Extension nut for tuning points and professional 2-stroke engines in general, with this nut you make the tuning kit also work for air-cooled engines that usually have the spark plug inside the fins.

This article is an extension of the professional 2-stroke point and engine tuning kit ref.PE030013005, which is sold separately
Includes:

     thread extension

Valid for:

     Most motorcycles with 2-stroke engine with air cooling.