AutoMeter Cobalt 30 in HG-30 psi Boost / Vacuum Gauge - Mechanical - Analog - 2-1/16 in Diameter - Black Face AN Adapter Plug Under the black cap you'll

Under the black cap you'll find a quality rotor

Ford: F-350 Super Duty 20 - 22

6-Hole Blower Pulley Bolt Pattern

1989-1996 Nissan Maxima

AutoMeter Cobalt 30 in HG-30 psi Boost / Vacuum Gauge - Mechanical - Analog - 2-1/16 in Diameter - Black Face AN Adapter Plug Under the black cap you'llThe standard in the industry, AutoMeter's Mechanical Boost Vac Gauges have found their way into more builds than any other. Using a patented, high precision bourdon tube meter movement, there isn't another gauge on the market that can lay claim to the levels of accuracy or durability you'll find here. A simple 1 8? NPT pressure connection requires no electrical hookup for operation. Includes 1 8? NPT fittings and nylon line kit. Modern blue LED