70cc big bore kits for s6s engine Apr 20, 2021 20:06:24 GMT -5 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by trapper on Apr 20, 2021 20:06:24 GMT -5 Hey all, for those that have done the big bore 70cc swap out where did you get yours? Looking to get one for mine.