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Primary Chaincases for Triumph Pre-Unit Motorcycles (Alternator/Swingarm Models)

Part Number 57-1600/1601/A

An improved sealing arrangement around the gearbox mainshaft gives the new Triumph pre-unit alternator primary chaincases a big advantage over the originals. The system utilizes a lipped seal running on the high gear bush. The case has a wider gasket face. The kit comes with the stator ring (machined to take a modern stator) and all gaskets, screws, etc. Highly polished finish; made in the UK.

This product is currently sold out, only stock type (#57-1600/1601) preunit primary cover kits are on hand at this time, sorry.