A 14mm to 10mm thread adaptor that converts the standard connectors supplied with the Colortune and Hi-Gauge compression testers to fit the smaller spark plug sockets found in classic motorcycles and two-stroke engines. Set includes a soft copper washer to ensure a good seal.
- Adaptor for Hi-Gauge Compression Tester, Part No. G4101 and Colortune, Part No. G4074.
- Thread size: 14mm to 10mm.
- Suitable for most modern and classic cars.
- Kit contains: 14mm to 10mm thread adaptor, gas seal washer.
- Other adaptors available, Part Nos. G4055B (12mm), G4055C (14mm tapered seat), G4055D (14mm long reach) and G4055E (18mm).