Vintage Sun Tachometer ST-502, Tested with a 1.5 Battery, Seems to be Working

Autometer AutoGage 8,000 RPM Tachometer

Dixco 8K 8,000 RPM Vintage Tachometer Tach Muscle Car hot rod

3.75" 12V Car Tachometer Gauge Meter 0-8000 RPM With LED Shift Light Universal

Slightly Used GlowShift White 7 Color 5,000 RPM Diesel Tachometer 52mm

3.75" 12V Car Tachometer Gauge Meter 0-8000 RPM With LED Shift Light Universal

Vintage Nippondenso 10,000 RPM 3 7/16" TACHOMETER RAT ROD HOT ROD CAR TRUCK

Vintage Zernickow Tachometer No 50 New York Working