G4055A - Gunson Hi Gauge Plug Adaptor Kit 10mm
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 10mm
1 x Gas Seal Washer
- 14mm to 10mm thread size
- Compression tester adaptor
- For use on colortune and Hi Gauge
- Suitable for most modern and classic cars
- Available in additional sizes 10mm, 12mm, 14mm and 18mm