Colortune Engine Carburettor Mixture Tuning Gunson See inside the engine LSR41 Boat Hooks 6pc auto upholstery tools

6pc auto upholstery tools

Diameter : 90mm

-Extra-long set for getting into hard to reach areas

• 1/2" Tray For Shallow And Deep imperial Sockets - 3/8"

Colortune Engine Carburettor Mixture Tuning Gunson See inside the engine LSR41 Boat Hooks 6pc auto upholstery toolsThe classic and well known colortune kit by Gunson. This genuine Gunson item has been used for years to see the combustion and adjust the mixture etc The special transparent spark plug replaces the normal plug and allows you to view the combustion in the engine. A blue colour is good and a yellow orange colour is bad, wasting fuel. (Full instructions included) Fits vehicles with a 14mm spark plug, but adapters are available for other sizes of spark