The complete Colortune kit is also available in the following options: G4171 (with 12mm Colortune Plug) and G4172 (with 10mm Colortune Plug). The Colortune plug kit is a simple and effective way to tune petrol and LPG 2 and 4 stroke engines.
Gunson Colortune 14mm Plug Most Common Best Spark Plug Mixture Tester Tool Set
New Gunson Colortune 14mm Spark Plug Mixture Tester Tool Set G4074
Gunson Colortune 14mm Spark Plug Classic Car Mixture Tester Tuning Tool G4074
Gunson Colortune 500 14mm Spark Plug Classic Car Mixture Tester Tuning Tool
Gunson Colortune 500 - 14 mm. Fine Tuning Classic Car Carburetor BLMC,ROVER,FORD
