Reply To: compatibility between dike 390 parts and svartpilen/vitpilen 401 October 16, 2018 at 2:08 pm #2469 ThemSheepsParticipant I wonder if the 390 performance upgrade kit will work – it should as far as I can tell: http://www.ktmperformance.com/ktm-performance-engine-kit-for-390.html -Johan