Triumph pre-unit and unit tappet guide block drift. Will work on most unit and pre-unit 350, 500, 650 and 750 twins from 1939-1988. A must have tool for the serious enthusiast.
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Please note: Due the nature of the product, we unfortunately do not accept returns on bearings, service tools or electrical components. Please be confident about your purchase before ordering. If you have questions, please contact us.