Sealey Cylinder Leakage Tester 2-Gauge. Suitable for use on any petrol engine with 10, 12 or 14mm spark plugs. Suitable for use on any petrol engine with 10, 12 or 14mm spark plugs. For spark plugs fitted into a deep recess, VS200/A or VS200/B Long Reach Compression Tester Adaptors may be required.
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