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.
