GS Series Boost/Vacuum Gauge AU3803 Product:2-1/16", In-Dash, Full Sweep Mechanical, 30 In Hg.-Vac./30 psi. Most vehicle brake boosters use

Most vehicle brake boosters use a vacuum that is generated by the naturally aspirated engine

AF72-2501BLK

SB Ford 289-302 Windsor Street Dual Plane Intake Manifold

PH & 4WD 4

64-5054BLK

GS Series Boost/Vacuum Gauge AU3803 Product:2-1/16", In-Dash, Full Sweep Mechanical, 30 In Hg.-Vac./30 psi. Most vehicle brake boosters useGS Series Boost Vacuum Gauge 3803 AU3803 2 1 16", In Dash, Full Sweep Mechanical, 30 In Hg. Vac. 30 psi. GS 2 1 16" BOOST VAC 30PSI Includes 6 ft. tubing. Includes 1 2" NPT adapter fitting. Auto Meter GS Series analogue gauges are a hot style featuring a black face during the day, and green LED illumination of the numerals at night. They also feature a patented, LED illuminated red pointer that glows when the sun goes down, and the white daytime