B3.9 and B5.9 Series Engines
Section 10 - Air Intake System - Group 10
Used to measure pressure, restriction (0 to 10 in H2O) pressure
differential with more accuracy.
Pressure Gauge [0 to 75 in Hg]
Used to measure the intake manifold pressure and exhaust back
Dial Depth Gauge
Used to measure turbocharger axial motion.