The AutoMeter American Muscle 2‑1/16in mechanical boost/vac gauge uses a patented, high‑precision Bourdon tube movement to deliver accurate, durable readings without electrical power. It connects via a 1/8" NPT pressure fitting and includes 1/8" NPT fittings plus a nylon line kit for installation, offering a straightforward mechanical solution for monitoring intake vacuum and boost levels in turbocharged or supercharged systems.
Autometer American Muscle 2-1/16in Full Sweep Mechanical 30 In Hg Vac/30PSI Boost Vacuum Gauge