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etc from 1957-1967
Fits Triumph & BSA Singles (B25SS
4" eye-to-eye with a 100lb spring with a 3/8" top and bottom bushing
If you are looking for the best quality sprocket you have found it
880" in diameter
Triumph Twins Kick Start Return Spring (1) - 57-0031 - 6T / TR6 / T150 / A75 / T140 70-4587 etc from 1957-1967New English Made Triumph 650 & 750 Unit Twins Kick Start Return Spring. If your Kick Start Return Spring is broken and your looking for the best replacement part, then this is what you need! Don't confuse this with the Cheaper "Flimsy" EMGO Springs on the market! Fits all Triumph 650 & 750 Unit Twins (Bonneville, T120R, T140, TR7, Tiger, TR6, Etc) from 1963 1982. Fits all Triumph & BSA Triples (T150, A75, T160, Etc) from 1968 1976. Also fits many