14mm Long Reach spark plug adapter for the 14mm Colortune Engine 10mm, 12mm, and 18mm also available.
- G4055A - Gunson Hi-gauge plug adaptor kit 14 mm
- A kit to convert the thread on the popular gun son colour tune 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
- G4055A - Gunson Hi-gauge plug adaptor kit 14 mm
- A kit to convert the thread on the popular gun son colour tune 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
