I have a new 14cc JT-07 clone head that has been ported and polished for 27mm intake and 25mm exhaust valves. Ports have a sand blasted finish, combustion chamber unshrouded and polished, & cut multi angle valve seats. Comes with all new stainless valves, retainers and keepers, and your choice of springs (22,26,37). Can also powder coat the head color of your choice for extra. Head flows 74 CFM at 28". Any questions or want more pictures or flow test data just PM me. $175 shipped.
