They come with a pair of 1/8 inch thick leather washers to keep your springs from squeaking

• Broad British Bike Fitment: Designed for all 12-volt alternator model 500cc

This is necessary to split the cases for a full rebuild

These are a screw on style

Finned Exhaust Pipe Clamps 23 Fins unit pre unit Triumph OEM #70-4501 1950-1971 Subcategory_Kicker Pedals & Levers They come with a pairThis pair of Triumph exhaust clamps fit Triumph motorcycles with 1 3 4 inch exhaust spigots such as all 650 c. c. pre unit and unit construction bikes from 1950 1971. These motorcycle exhaust mounting brackets are chrome, and include the pinch bolt and washer, ready to install. This is the earlier style with 23 fins, later Triumph exhaust clamps look and fit exactly the same though they only have 17 fins. Sold per pair. Replacement for Triumph OEM #