G4074 Gunson Colortune See Through Spark Plug Kit
Gunson Colortune See Through Spark Plug Kit.
The Tune-up plug for Petrol or LPG, 2 and 4 stroke engines with single, twin or multiple carburettors or fuel injection systems.
The original and best tool for seeing what's happening inside the combustion chamber of the petrol engine.
It allows you to see the combustion and to adjust the mixture by color.
Fits most petrol engines in standard form with additional adapters available for vehicles with alternative sized spark plugs.
The kit includes:
- See-Through Spark Plug
- Hexagonal adapter for spark plug wrench
- Copper sealing washer
- Extension Cord
- Extension tube with mirror
- Cleaning brush
- Instructions in English
The instruction manual can also be downloaded HERE.
Additionally, an analysis chart can be downloaded HERE.
Depending on thread size, Colortune will fit most vehicles.
Available in the following basic thread sizes:
- 10 mm - Gunson Article Number G4172
- 12 mm - Gunson Article Number G4171 - Please note that this size is currently sold out.
- 14 mm - Gunson Article Number G4074 - Please note that this size is currently sold out.
New stock is on its way.
As soon as these sizes are available from our warehouse again, you'll be able to order them again.
Please make your size selection through the Thread Size * drop-down menu just above the Add to Cart button.