British made genuine Smiths / Caerbont Automotive voltage regulator / stabiliser (provides gauges like Smiths temperature fuel gauge and other electrical gauges a regulated 10 volt supply thus preventing them fluctuating with normal car fluctuation supply voltage).

Note if your instrument are not reading correctly it may be the stabiliser that needs replacing.

As fitted to; MGB 1962-1967 Triumph TR4A and Triumph Spitfire Mk 1 to 4, but suitable for any positive earth vehicle requiring a 10 regulated voltage for its instruments, see my eBay shop if you need the negative earth version of this stabiliser.

Note: price is per single stabiliser inset picture shows back of the stabiliser with mounting bracket.

Wiring Instructions; Case - to vehicle earth (positive), I - to vehicle instruments, B - to vehicle power (battery or ignition switch /negative).

Click the link above to visit my eBay shop for more MG, Triumph, and other Classic Car and Motorcycle parts.