2-1/16in S/C Boost/Vac Gauge

The AutoMeter 2-1/16in S/C Boost/Vac Gauge (SKU: ATM3308) is a precision analog instrument designed for engine tuning professionals and automotive enthusiasts who need real-time monitoring of turbocharger boost pressure and intake manifold vacuum. This mechanical gauge delivers accurate readings across a -30 in HG to +45 psi range, making it essential for diagnosing fuel delivery issues, detecting boost leaks, and optimizing forced-induction performance. Whether tuning a turbocharged street engine or troubleshooting a naturally aspirated platform, this gauge provides the direct feedback necessary for informed maintenance decisions.

Built with AutoMeter's proven Sport-Comp construction, the 2-1/16in S/C Boost/Vac Gauge features a mechanical Bourdon tube sensing element that converts pressure differentials into accurate needle movement across the dial. The black face with white graphics ensures readability under varying light conditions, while the 2-1/16 inch diameter housing fits standard aftermarket gauge mounting pods and dashboard installations. The analog display eliminates electronic dependencies, providing reliable operation in high-vibration engine bays and extreme temperature environments where digital interfaces may fail.

This gauge is ideal for turbocharged applications, supercharged platforms, and diagnostic work on naturally aspirated engines where vacuum measurement reveals intake manifold health and fuel system performance. Installation requires a standard -4 AN or 1/8 in NPT port connected to the intake manifold or boost source; users should employ appropriate manifold adapters and stainless steel tubing to prevent kinking or heat damage. The compact 4.85 x 4.55 x 5 inch footprint and 0.62 lb weight make it suitable for engine bays with space constraints, while the mechanical design ensures decades of reliable service without recalibration drift.