All American Tradition 2 1/8" Boost Gauge, 30 psi AT142SHC grommets Fits the following intake manifolds:

Fits the following intake manifolds: Holley 105mm Hi-Ram

Additional 2-quarts of Fluid Capacity

Applications: 1967 Chevrolet Chevelle SS

6 V8 1962 - 1969 Chevrolet Biscayne 327/5

All American Tradition 2 1/8" Boost Gauge, 30 psi AT142SHC grommets Fits the following intake manifolds:All American Tradition 2 1 8" Boost Gauge, 30 psi Features: Rugged air core movement? combined with microprocessor technology for precision and durability Full sweep provides increased accuracy Easy to read 2 1 8" size Pushbutton calibration Integrated red warning light, illuminates entire gauge red when activated Warning light output for additional warning indicator lights Analog . 5 4. 5VDC output for data logging systems LED lighting, choose