OTC 7215 Exhaust Back Pressure Gauge otc 1940 Professional advance timing light allows

Professional advance timing light allows accurate adjustment of base and advance timing reading

Pump Ratio | 3:1

range: 32 to 122ºF

Standard 1000

OTC 7215 Exhaust Back Pressure Gauge otc 1940 Professional advance timing light allowsOTC 7215 Exhaust Back Pressure Gauge Now you can quickly read back pressure to determine the amount of restriction in an exhaust system. This gauge accurately measures through the oxygen sensor hole. Its large dial clearly shows pressure from 0 8 PSI. The system has a stainless steel braided tube to with stand high heat conditions. Includes a universal adapter for vehicles with thermactor systems. Works on domestic and imported vehicles.