Compatible with all petrol engines. Suitable for fault finding including air leaks incorrect valve timing low turbo boost pressure engine misfires low engine compression advanced/retarded ignition air/fuel ratio balancing carburettors and fuel economy. The dual reading pressure gauge 0 - 10psi/0 - 0.7bar is fitted with a heavy duty rubber protector. Supplied in a plastic storage case.PTDDRPDIR35881