Top of the line, U.K. made, clutch hub center for Triumph twins. Will fit all unit twins from 1963-82 and pre-unit 500 & 650 twins when used with thrust washer PN# 57-3931, t3931. Replaces PN# 57-1734 when used in conjunction with thrust washer PN# 57-3931, T3931.

LF Harris motorcycle spares are produced to the highest quality standards possible utilizing original Triumph tooling, dies, factory blueprints & materials combined with modern manufacturing equipment, tolerances & techniques.
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.












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