Part No: TOL101 Product Name: GUNSONS COLOURTUNE O.E. Part No: - Alternate PartNo: - Application: A/R Your Price (Exc VAT): £28.95 Description: 14 MM SPARK PLUGS Qty Per Vehicle: A/R

Additional Notes
Suitable for all 14 mm spark plugs. This handy tool allows you to see the colour of combustion in your cylinders to check the air/fuel ratio. This allows you to identify and adjust the ratio to increase performance and fuel economy. The kit includes a special glass topped spark plug, cleaning supplies and a wall chart with instructions. Great little tool that everyone should own.