EXHAUST NIPPLES, NUTS, AND O-RINGS. Fits 1925- 192961″ Motors. (ALSO RACERS) (18 T.P.I.) These nipples have 61″ thread on the cylinder side of the nipple and the big 74″ nipple on the header side. They use the 1.375″ diameter exhaust pipes. Reviews There are no reviews yet. Be the first to review “1012-25K HARLEY JD EXHAUST PIPE NIPPLES & NUTS 1925-1929 61″ MOTORS & RACERS” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.
