3882-5 - CYLINDER BASE NUT WRENCH SET

I don’t have to tell you how aggravating it can be to reach down into the cowling to get to those spark plug holes for a quick leak down check. It’s a real pain to get the hose to reach the spark plug...

The Model 2EM Differential Cylinder Pressure Tester combines the features of our popular 2E tester and a Master Orifice into one tool. Now you can conveniently check your engine's leak down rate against its built-in calibrated standard to instantly determine if your engine's...