BluePrint Engines liquid filled fuel pressure gauges come with a 1/8 – 27 NPT threaded fitting, common to most fuel pressure regulators and fuel rails. They also feature a liquid filled chamber to eliminate needle bounce. These gauges are a perfect match for your BluePrint engine or BluePrint fuel pressure regulator! Features and benefits: * Gauge type: Fuel pressure * Gauge style: Analog * Sending unit: Mechanical * Thread size: 1/8 – 27 NPT * Gauge diameter: 1 1/2 in. * Gauge range: 0-100 psi * Gauge shape: Round * Sweep: Full sweep * Gauge face color: Black NOTE: Liquid filled pressure gauge readings will change as ambient (under hood) temperature changes. For most accurate reading, check when engine is cool. A change in ambient temperature can cause case pressure to change as much as 1-3 psi.
