|Basic Exhaust Back Pressure Tester
- Enables Technician to test exhaust back pressure thru oxygen sensor.
- Oxygen Sensor adapter includes M12 & M18 thread.
- Special Gauge has two multi-colored bands - idle and 2500 RPM, with pressures shown in PSI and bar.
- Hose is 6 feet, enough length for the Technician to test from the driver's seat.