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Engine Series


3688 Comprehensive Petrol Compression Tester

• Large 2-1/2″ gauge fitted with protective cover and 445mm hose.
• Scale reads from 0-350 psi (0-25 bar) and conforms to BS 1780-1985.
• Suitable for petrol engines with 10, 12, 14 or 18mm spark plugs and includes a long
reach adaptor for 16v and v6 engines.
• Also includes 445mm hose and quick release connector for air input.