Originally Posted by ksalmine

underpsi68, I have think about that. Steve Morris (and maybe many other too) tried Line2Line Slick coating and it works. Coating reduce piston clearance to 25% from normal and hone itself to good clearance. I don't want send my custom pistons to US, it cost million € and take time forever, but if I find equivalent piston coating company from Finland or northern europe, it would be good solution.