Metric roll center Feb 14, 2021 9:42:27 GMT -6 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by racerk26 on Feb 14, 2021 9:42:27 GMT -6 Running a metric frame , nova lowers with the speedway 3 piece spindles , trying to figure out what length ball joints I need to get my roll center close. 3/8 track medium banking