*New!* Top Quality BSA Unit Twins Triplex Primary Chain. If your looking for an Affordable Alternative Chain versus the Expensive Renold Brand, then this is Exactly the part you need! We use these Japanese Chains on our bikes here with excellent results! We are proud to offer this High Quality Chain to you! Primary Chain Features 80 Links & is "Endless" which means it does not have a Masterlink as O.E.M.! Fits all BSA A50, A65 & A70 Unit Twins (Lightning, Thunderbolt, Royal Star, Firebird, Hornet, Cyclone, Spitfire, Etc) from 1962-1972. Please refer to your parts catalog for proper fitment.
*****Please note that this Chain fits All BSA Unit Twin Models from 1962-1972!*****
•Made in Japan
•O.E.M Part number is 19-8639 & 68-0242