EXHAUST BACK PRESSURE KIT (3-WAY)
‧Enables technician to test exhaust back pressure through oxygen sensor.
‧Oxygen sensor adapter includes M12 and M18 thread.
‧The special 2-1/4 in.gauge has two multi-colored bands-idle 2500RPM,with pressure shown in PSI and bar.
‧High pressure braided stainless steel casing hose， long 1.87m.
