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Features, Description, Q&A, Specs & Installation
| Brand | Holley |
| Gauge Type | Boost and Vacuum Gauge |
Precise Vacuum Measurement. The Holley 2-Inch Vacuum Gauge; 0 to 30 in. Hg offers accurate vacuum readings essential for tuning and diagnosing engine performance. It provides real-time analog display to monitor manifold vacuum, helping maintain optimal engine efficiency and diagnose potential issues.
Construction and Appearance. Featuring a chromed steel case for durability, the gauge has a clear lens and a white face with black markings for excellent visibility. Its 2-inch diameter and chrome bezel provide a sleek, professional look suited for instrument panels.
Installation. Installation is straightforward with included mounting hardware and hose fitting. The 1/8 NPT brass fitting ensures compatibility with standard vacuum lines for easy connection.
Warranty. This gauge comes with a manufacturer’s limited 90-day warranty, providing coverage against defects in materials and workmanship.
Application. Designed for universal use, this vacuum gauge may require some adaptation depending on the vehicle setup but fits most applications without specific exclusions.
Holley 26-501
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov