Triumph Pre-Unit Twins Gear Box Sprocket Nut W/ Seal (1) 7/8" Comes with a nice finish

Comes with a nice finish but can easily polished to a mirror finish

English Made Triumph 500 & 650 Unit Twins Under Gas Tank Mounting Reflector Bracket

This is Exactly like the Original Types BSA use to provide during the Mid-1960's

The single phase Lucas regulator will work with 2-wire 12 volt stators (or 6 volt stators when you convert  it to 12 volt) either positive + ground or negative - ground

Please note that the 57-1370 Kibblewhite variation must be sized after you install them

Triumph Pre-Unit Twins Gear Box Sprocket Nut W/ Seal (1) 7/8" Comes with a nice finishUp for grabs today is a new Triumph pre unit gear box sprocket nut with seal. What makes this part better than using an original nut is that this nut comes with a seal installed. Now you can stop oil leaks in addition to securing your gear box sprocket. Made and designed in England to replace Triumph part number 57 0440, T0440 and T440. Fits Triumph 650 pre unit twins (Bonneville, T120R, Tiger, TR6, T110, 6T, etc) from approx 1953 1962. Please note