This kit converts the thread on Colortune and Hi Gauge Compression Tester to fit 12 mm spark plugs holes
- Adaptor for Hi-Gauge Compression Tester, Part No. G4101 and Colortune, Part No. G4074.
- Thread size: 14mm to 12mm.
- Suitable for classic motorcycles and two stroke engines.
- Kit contains: 14mm to 12mm thread adaptor, gas seal washer and hex key.
- Other adaptors available, Part Nos. G4055A (10mm), G4055C (14mm tapered seat), G4055D (14mm long reach) and G4055E (18mm).
- Adaptor for Hi-Gauge Compression Tester, Part No. G4101 and Colortune, Part No. G4074.
- Thread size: 14mm to 12mm.
- Suitable for classic motorcycles and two stroke engines.
- Kit contains: 14mm to 12mm thread adaptor, gas seal washer and hex key.
- Other adaptors available, Part Nos. G4055A (10mm), G4055C (14mm tapered seat), G4055D (14mm long reach) and G4055E (18mm).
