G4055E - Gunson Hi Gauge & Colortune Plug Adaptor Kit 14mm to 18mm Thread G4055E
A kit to convert the thread on the popular Gunson Colortune and Hi Gauge Compression Tester.
Fits most sizes of modern spark plugs for modern and classic cars as well as motorcycles, garden machinery and boats.
1 x Thread Adaptor 14mm
1 x Gas Seal Washer
1 x Hex Key
14mm to 18mm thread size
Compression tester adaptor
For use on 14mm colortune and Hi Gauge
Suitable for most modern & classic cars as well as
Available in additional sizes 10mm, 12mm, 14mm or 18mm