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PART NUMBER: Z005E

Gunson Colortune Spark Plug Adaptor Kit 18mm DIY Z005E

Gunson Colortune adaptor kit in 18 mm size, allowing the Colortune combustion-viewing tuning aid to be used in engines with 18 mm spark plug threads when setting the air-fuel mixture. The Colortune is the established tool for setting SU and Stromberg carburettor mixture by direct observation: its transparent body lets you watch the combustion flame colour - blue for a correct mixture, orange or yellow for rich - while the mixture is adjusted. Be sure to check against your vehicle's compatibility before ordering.

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