New Triumph chrome acorn nut. This acorn nut can be used on either the outer gear box cover or on the primary cover stator studs. Measures 5/16" x 24 (UNF). Comes with a chrome finish to replace Triumph part number 21-0544, S0544 and S544.

Fits most Triumph 500, 650, 750 twins and triples from approx 1969-1982. Please refer to your parts catalog for proper fitment.

Nut is sold individually.