any help?
http://carbonraceparts.com/Kart-Carb...25-KCFTRM8.htm
@285 mm max they look like they might be too short,
also I'm not sure about the stresses involved with kart steering as presumably the rods work as a pair and one is always in compression while the other is in tension.
the do make 'Ducati shift rods' and also seat struts for boats in custom lengths so it might be worth chatting with them, although they're obviously in US
also noticed they offer m10 in custom lengths
http://carbonraceparts.com/Quad-Carb...FTR-length.htm