Introductions:

This item is Designed to detect a variety of common engine faults. including: Worn piston rings, worn valves, cracks in cylinder walls and blown head gaskets. Available with either single gauge or twin gauge manifold. Gauge(s) show % of cylinder leakage or cylinder leakage and cylinder .pressure. Suitable for use on any petrol engine with 10, 12 or 14mm spark plugs.