I have a new (used once) Gunson Colortune Kit with 14mm adapter. This size fits the standard MG spark plug hole. I
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Specially designed for motorcycle engines Maintains the compression ratio of the engine Suitable for 12 mm spark plug Unique mixture setting device
Gunson G4171 Motorcycle Colortune Kit 12mm
NEW RH LH STUB AXLE Crown & wheel , KINGPIN , TOP TRUNNION MGB btb764 btb765
Colortune is a glass topped spark plug which allows you to see the color of combustion in your cylinders. Colortune takes the guesswork out of mixture
Colortune 500 Lean/Rich Tool
Spitfire-tr7 - Moss Motors
Bosch 06019J2271 18V Brushless Twin Pack - GSB 18V-55 + GDX 18V-200 (2 x 4.0Ah B
Sold - Restored and Upgraded 1959 Morris Minor Panel Van
It's Token Tuesday! Post 'em if you got 'em. - US, World, and Ancient Coins - NGC Coin Collectors Chat Boards
Gunson Colortune
Gunson Colortune 10mm Fuel Air Mixture Tester Kit G4172
It's Token Tuesday! Post 'em if you got 'em. - US, World, and Ancient Coins - NGC Coin Collectors Chat Boards
It's Token Tuesday! Post 'em if you got 'em. - US, World, and Ancient Coins - NGC Coin Collectors Chat Boards
SW-EM SU Carburettors
Sold] Vintage Gunson's Colortune 500 : Buy, Sell & Trade Forum : The MG Experience