Description
Accurate fuel pressure monitoring is critical for tuning and troubleshooting fuel system performance, especially during high-demand racing conditions. The Longacre Waterproof SMI Fuel Pressure Gauge delivers real-time, reliable readings in a compact, durable package that withstands moisture and harsh engine bay environments. Whether you’re dialing in carburetor air/fuel ratios or diagnosing fuel pump issues, this electric stepper motor gauge provides the precision feedback you need to keep your engine running at peak efficiency.
- Fuel pressure gauge
- 0-100 PSI range
- Electric stepper motor
- Waterproof SMI design
- Full sweep analog display
- 2-5/8″ diameter
- Black face
- Bolt-on installation
- MPN: 52-46743









