S & G Tool Aid 33600 Exhaust Back Pressure Tester Piston Tools Contains 4 oz R134a

Contains 4 oz R134a

MAX Performance: Spindle lock feature allows for faster abrasive changeovers (5102MAX only) and lube free design eliminates contamination of the work-piece and shop area

Use to test electronic fuel injection signals

A real time saver that makes this tough job easy

Two built-in tool hangers keep your air chuck

S & G Tool Aid 33600 Exhaust Back Pressure Tester Piston Tools Contains 4 oz R134aFast and easy to use. Threads into the Oxygen Sensor Port. Kit includes 12MM and 18MM adapters to fit most domestic and imported vehicles. Gage measures 2 1 2" diameter and has dual scale: 15 PSI and 1. 00KgCm2. Hose is 41" long No need to tap into exhaust system then reseal holes afterwards. Complete with instructions.