Dual Vac / Tach
3" round,
inch vac:  0-30, With color range markings 0-5  red - poor, 5-10 yellow-load, 10-17 green-drive, 17-21 white-idle, 21-30 black -decelerate
With 7' rubber hose
RPM: 0-6000 RPM   std pt ign.    4 imp ( 8 cyl.)
Light kit 186-12A2L sold separately takes 2
Instructions