Picture for category Boost/Vacuum

Boost/Vacuum

Boost/vacuum gauges built for complete manifold pressure monitoring.

  • Tracks both boost and vacuum for forced-induction engine setups
  • Built for turbocharged, supercharged, and custom performance applications
  • Wide range options help monitor idle, cruise, and full-boost conditions
  • Precision stepper motors for smooth, accurate pointer movement
  • Built to perform for years without compromise
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SKU: L2-BV3

2-1/16" Boost/Vac Gauge | 30 inHg-0-20 PSI | Classic Design

Monitors manifold pressure across both vacuum and boost for full engine performance insight. Tracks engine behavior from idle to load to help identify leaks or tuning issues. Precision stepper motor ensures smooth, stable readings.
$216.06
SKU: L2-BV4

2-1/16" Boost/Vac Gauge | 30 inHg-0-30 PSI | Classic Design

Monitors manifold pressure across both vacuum and boost for full engine performance insight. Tracks engine behavior from idle to load to help identify leaks or tuning issues. Precision stepper motor ensures smooth, stable readings.
$216.06
SKU: R2-BV5

2-1/16" Boost/Vac Gauge | 750 mmHg to 2.0 Bar | Warning Light

Tracks manifold pressure across both vacuum and boost for full engine performance insight. Helps you follow engine behavior from idle to load to identify leaks or tuning issues early. A built-in warning light alerts you when pressure moves outside your set range for added protection. Precision stepper motor ensures smooth, stable, and reliable readings.
$230.20
SKU: L2-BV5

2-1/16" Boost/Vac Gauge | 750 mmHg-0-2.0 Bar | Classic Design

Monitors manifold pressure across both vacuum and boost for full engine performance insight. Tracks engine behavior from idle to load to help identify leaks or tuning issues. Precision stepper motor ensures smooth, stable readings.
$216.06
SKU: FHO2-BV4-HLY

2-1/16" CAN-Bus Boost/Vacuum Gauge | 30 inHg / 0-30 PSI with Warning | Holley EFI

Monitors manifold pressure directly from the Holley EFI ECU through the CAN network. Eliminates vacuum lines and external sensors when supported by the ECU for a cleaner setup. Precision stepper motor delivers smooth, accurate readings with an integrated warning light for added awareness.
$173.80
SKU: R25-BV1

2-5/8" Boost/Vac Gauge | 30 inHg to 10 PSI | Warning Light

Tracks manifold pressure across both vacuum and boost for full engine performance insight. Helps you follow engine behavior from idle to load to identify leaks or tuning issues early. A built-in warning light alerts you when pressure moves outside your set range for added protection. Precision stepper motor ensures smooth, stable, and reliable readings.
$246.91