Gunsons colortune 14mm spark plug 'G4074'
Gunsons colortune
Suits cars with a 14mm spark plug not just mini
A unique test spark plug with a glass top that takes the guess work out of carburettor tuning
Allows you to precision tune for peak performance and economy
Supplied with a viewer-scope for bright light conditions, and viewing in recessed engines
You will see an Increase in performance an all engines
Unique fuel/air mixture tester
You are buying:
· 1 X gunsons colourtune, tune up kit.
