Take a good look at the pictures, I have provided! - If you don't have one of these, don't pass it by!
Vintage AC Positive Crankcase Ventilation Tester in Metal Case AC CT-1
4F- vintage AC hand held ACILLOSCOPE Spark Plug Analyzer plastic case as=is
Vintage AC PCV System Test Kit
Vintage AC Arnold Mfg. Co. Cam-Dwell-Indicator With Instructions
Vintage AC Manifold Gauge Imperial Eastman System Analyzer
Vintage AC Spark Plug Div. GM PCT-1 Pressure Gauge 0-30 PSI Flint, MI