A gearless diaphragm pressure gauge

Improper cylinder pressure causes poor engine performance and may result in engine wear, valve damage, or a cracked piston or cylinder head

* Exceeds standard ANSI-ASME B40.1 Grade B requirements for 2% accuracy

* Highly shock resistant

* Pressure gauge employs award-winning gearless diaphragm design

* Features bleeder valve which holds pressure until released