Seller notes

Brand new complete 25D replacement vacuum advance. Includes the correct 25D body and the proper adjustable push-on type vacuum advance. Triumph TR3, TR4, TR4A, TR250 to TR6 to CC58360. These work on TR6s that use a vacuum advance from the factory but some cars have both advance and retard units and the later cars have only a vacuum retard. We do have TR6 retard units and units that convert the retard to an advance but these will not do that. This a Vacuum Advance Unit also woks for MGA, MGB 1962...

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