Kit contains 18mm thread adaptor, gas seal washer and hex key.
Gunson Colortune and Compression Tester 14mm to 18mm Adaptor Kit Washer Hex Key
New Gunson Colortune 14mm Spark Plug Mixture Tester Tool Set G4074
Gunson Colortune Single Plug Kit 14mm
Gunson Colortune 500 - 14 mm. Fine Tuning Classic Car Carburetor BLMC,ROVER,FORD
Gunson Colortune 14mm Spark Plug Classic Car Mixture Tester Tuning Tool G4074
GUNSON COLORTUNE COLOURTUNE ADAPTOR 12mm FOR THE ORIGINAL 14mm COLOURTUNE LL
