BSA / Triumph Gas Tank Center Beading O-Ring (1) - 83-3321 - A50 / A65 / TR6 / T120

*New!* BSA & Triumph Unit Twins Gas Tank Mounting Thick O-Ring. This Thick O-Ring is Correct for tanks that use the center "Beading Holder" as fitted to the following models... Fits all Triumph & BSA "Oil In Frame" 650 Unit Twins (Bonneville, T120R, Lightning, Tiger, TR6R, Etc) from 1971-1972. Also fits "Dry Frame" BSA Unit Twins (Lightning, Royal Star, Thunderbolt, Star Twin, Etc) from 1962-1970 with the appropriate gas tank. Please refer to your parts catalog for proper fitment.   *****Always check your parts book before purchasing to ensure that this part is correct for your application!***** •Made in Taiwan •O.E.M Part number is 83-3321 or 68-8013