Draper Petrol Compression Tester

The Draper Petrol Compression Tester is designed for use with direct and indirect petrol engines utilizing 14 and 18mm spark plug threads. It features a dual reading pressure gauge with a range of 0-300psi/0-20bar, protected by a heavy-duty rubber cover. The tester is equipped with a spring-loaded pressure relief valve and an integrated Schrader one-way valve system. It comes complete with a plastic storage case for convenient organization and transportation.