Triumph Pre-Unit "3-Piece" Crankshaft Flywheel Nuts (1) - 37-0103 - 5T / 6T / T110

  • Sale
  • Regular price $ 6.50

Up for grabs today are the correct "small hex" crankshaft flywheel nuts for early Triumph twins. Nut will replace Triumph part number 37-0103, 37-103, W103 & W0103. Measures 1/4" X 26 (CEI).

Correct for early Triumph "pre-unit" twins prior to approx 1959 that use the 3-piece crankshaft as fitted to various 5T, 6T, T110 and other early models. Please refer to your parts catalog to ensure the best fitment.


1/4" X 26 CEI nuts are sold individually

Click here to purchase the flywheel bolt #70-1562

  • Made in England
  • OEM part number is 37-0103, 37-103, W103 & W0103
  • Free shipping in the USA