For sale are new Triumph / BSA clutch spring studs. These studs are also refereed to as clutch spring pins, clutch adjuster pins and clutch spring bolts - all the same part. Pins are manufactured in England to replace both Triumph and BSA part number 57-4754, T4754, T423, 57-0423, 42-3189, 57-0423A and T423A.
Studs measure 1 7/8" (under the head) with a thread pitch of 26 TPI (CEI). Studs will work with most Triumph / BSA pre-unit twins and unit twins with the 3-spring and 4-spring clutch... which include some of the following models (Bonneville, T120R, Tiger, T140, A7, A10, A65, TR7, T90, T100, etc) up to approx 1982. Please refer to your parts catalog for proper fitment
- Made in England by L.F. Harris
- OEM part number is 57-4754, T4754, T423, 57-0423, 42-3189, 57-0423A and T423A
- Free shipping in the USA