if you have a Unit model Triumph (1963 and later) the transmission and engine are contained in the same set of cases as one 'unit'

Recently exact copies of our design have been made overseas by other companies

Mounts to stock handlebars using two small screws

Capacity: 2

Knurled allen screws and washers mount intake manifold to cylinder head on Late 1982-1989 Big Twins

#8489-8 Handlebar Switch Housing Cap Screw Kit 1973-1981 Harley-Davidson Big Twin/Sportster - Chrome Plated Brand_9 Finger Fabrication if you have a UnitHandlebar Switch Housing Chrome Cap Screw Kit Fits 1973 81 Harley Davidson Big Twins and Sportster. Made in Ohio, USA.