详情 • 3-1/2” gauge with dual readings of 0-145 psi and 0-1000 kpa.Also a low pressure 2-1/2” gauge for an accurate reading below 15 psi. • All adapters, gauges, and hose assemblies feature a quick coupling system for speedy and efficient testing connection. • The uniquely designed relief valve relieves pressure and allows checking for sufficient fuel flow. • No need for wrenches or pipe dope. • The specially designed compact, neatly arranged plastic blow-molded box makes storage easy. • Complete with instructions manual.