Triumph / BSA Rotary Valve Breather Spring (1) - 70-2256 - T90 / T100 / T120 / T110 / A65 57-1614 Thunderbolt & Firebird) from 1971-1972

Thunderbolt & Firebird) from 1971-1972

Click here to purchase the captive nut (83-0222)

Etc) from 1971-1972

Twins & Triples (Daytona

Triumph / BSA Rotary Valve Breather Spring (1) - 70-2256 - T90 / T100 / T120 / T110 / A65 57-1614 Thunderbolt & Firebird) from 1971-1972New English Made Triumph & BSA Crankcase Breather Disc Spring. This is an excellent quality part that is ready to be installed! Fits most Triumph Unit & Pre Unit 500 & 650 Twins (6T, T100, T110, T120, TR6, Etc) from approx 1938 1969. Also fits all BSA Unit Twins from 1962 1972. Please refer to your parts catalog for proper fitment. *****Always check your parts book to ensure that this part is correct for your application!***** Made in England O. E. M