Toledo Compression Tester Kit 304010

Versatile kit provides a quick means of testing cylinder compression pressure on engines with deep, recessed spark plugs and difficult accessSpecial air hold valve is included for easy resetting of the gaugeDual graduated up to 0-300 PSI (0-21kg/cm)Set contains long flexible hose and adaptors, eliminates the need to remove secondary equipment such as A/C, power brake, manifold and steering componentsUser manual included