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Triumph Pre-Unit Long Chaincase Spacer - Mag Dyno and Dynamo Models

SN 2122



This is a spacer manufactured from aircraft quality T6 aluminium to fit the Triumph pre-unit long primary chaincases pre-alternator models.  The Primary chaincase has a tear-drop shape towards the front.  The early clutches were fitted with only 5 friction plates and a shallow clutch basket/sprocket.  If you need or want to update your clutch to take the 6 plates, fit the 7 plate clutch conversion or indeed fit a clutch belt drive conversion then the primary chaincase will not be wide/deep enough.  We have therefore had these spacers manufactured to space out the primary chaincase.  The fit is correct.  You will need slightly longer screws.  The spacer is 1/4 inch deep.