Ported 81.5mm bore cylinder, used Wiseco 81.5 pistons, ADA girdled head, 28cc domes, base gaskets. Existing 81.5 pistons are 20mm pin pistons, if this wont work for your setup i will bore to 82mm (22mm pin ) with Wisecos no charge. Contact Rob Flores for price and shipping costs. Photo courtesy: Rob Flores
