Product Description The BlueSpot 4 Pce Petrol Engine Compression Testing Set is manufactured with a cone adapter which is suitable for most petrol engine types. The set also includes 14mm and 18mm screw in adapters for use with spark plugs.The dial has a dual scale (PSI and Bar), a large 65mm face for easy reading and will read up to 300 PSI (20 Bar).The push fit couplings ensure easy and quick removal of fittings and a quick release pressure valve is situated below the dial for increased safety. Set supplied in a robust plastic carry case for ease of storage and transportation. Cone adapter to fit most engines14mm & 18mm spark plug screw in adaptersDual scale (PSI/Bar)Quick release fittingsSupplied in robust carry case
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