Triumph / BSA Singles Kickstart Return Spring (1) 57-4338 - B25 / C25 / B44 / TR25W Bearing will also fit various

Bearing will also fit various Norton 16H

Works with both Monobloc and Concentric carbs that had the "pancake" filters

BSA C25 & B25 from 1967-1968

M Part number is 97-4001 or H4001

97-2270A and H2270A

Triumph / BSA Singles Kickstart Return Spring (1) 57-4338 - B25 / C25 / B44 / TR25W Bearing will also fit variousBSA & Triumph Unit Singles Kickstart Return Spring. Where you Starting your Bike and your Return Spring Broke? Unfortunately, it happens to us all! So replace it with this High Quality English made Spring and Off you Go! Fits Triumph & BSA Singles (B25SS, B50SS, TR25W, B44, B25, T25, B50MX, Etc) up to 1973. Please refer to your parts catalog for proper fitment. Please note that this spring is sold each Made in England O. E. M part number is 57 2687,