G/Stock 2 1/8" Boost/Vac Gauge GS141SLF traction-bars 7 V8 1979 - 1985

7 V8 1979 - 1985 GMC C1500 Suburban 305/5 V8 1976 - 1978 GMC C25 350/5

4L V8 1976 Chevrolet Caprice Classic Estate 454/7

remove the port plug

9L V8 1958 Edsel Citation 410/6

G/Stock 2 1/8" Boost/Vac Gauge GS141SLF traction-bars 7 V8 1979 - 1985G Stock 2 1 8" Boost Vac Gauge 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 between Warm White or