Best Grams Performance in 2026

0 - 120 psi Pressure Range for Electronic Fuel Injection

Easy to Read High-Contrast 1½” Face

Matte Black Stainless Steel Case and Bezel

0 - 30 psi Pressure Range for Electronic Fuel Injection

Easy to Read High-Contrast 1½” Face

Matte Black Stainless Steel Case and Bezel

50% Increase in Airflow Over Stock 64mm Throttle Body

Precision Honed Oversized 72mm Bore

CNC Machined Billet 6061-T6 Aluminum Body

Grams UEGO - wideband air fuel gauge utilizes the Bosch LSU 4.9 sensor which is superior to the LSU 4.2 sensors

The Grams wideband air fuel gauges feature a 0-5v output for closed-loop feedback when pairing with a standalone ECU; Grams Wideband measures at 52mm with an LED display that features a 3 color sweep from Red, Yellow to Green

The Grams Wideband using the Bosch LSU 4.9 is able to have accuracy down to .001 and utilizes a 4 digit display

Increase in Airflow Over Stock 64mm Throttle Body

Precision Honed Oversized 90mm Bore

CNC Machined Billet 6061-T6 Aluminum Body

Green Backlit LCD display and flashlight for visibility in dimly light areas, easy-to-read digits help you easily measure your vehicle's tire pressure

Heavy Duty Stainless Steel Made And RV/Truck Special Designed to maintain correct tire pressure, reduce tire wear and extend tire life; Digital display reading instantly and clearly being shown

Nozzle easily forms a seal with the valve stem giving quick and accurate readings in 0.1 increments; 4 settings with longer range: 0-230 PSI / 0-16 Bar / 0-16 Kg/cm2 / 0-1585 Kpa

Accurate Measurement: Digital compression gauge has a backlit display with a resolution of 0.5PSI instead of 5PSI. Four different kinds of numerical units in PSI, KPA, Bar, KG/CM², easy to control with buttons.

Quick Release Valve Design: Fuel pressure tester with release valve design could offer single-handed operation inflation and deflation, helping to release pressure safely and recovery fuel easily.

Universal Design: The adapters, hoses and fittings included in fuel pressure gauge cover most Gas Engine Cars, Motorcycles, Trucks, SUVs, ATVs, UTVs, RVs with modern Schrader test port fuel injection systems. ( Does not compatible with Bosch, CIS Jetronic, TB System on GM vehicles. )

【Product Name】Stainless Steel Liquid Filled Pressure Gauge Wog

【Size】1/4''NPT；2.5" DIAL FACE

【Installation method】Lower Mount

For meausring fuel pressure

1-1/2" dial size, 1/8"NPT Back

Pressure range: 0-15psi single scale

For meausring fuel pressureFor meausring fuel pressure, automotive air line pressure or automotive sensor transmission, T-Fitting adapter allows users to install in the fuel line

Size: 1-1/2" dial size, center back, 8mm (5/16") Brass Barbed T-Fitting Adapter, 2 Stainless Steel Clamp with handle

Pressure Range: 0-15psi single scale

【Product Name】Stainless steel Liquid Filled Pressure Gauge

【Size】1/4''NPT；2.5" DIAL FACE

【Installation method】Lower Mount

【Product Name】Stainless Steel Liquid Filled Pressure Gauge Wog

【Size】1/8''NPT；1.5" DIAL FACE

【Installation method】Lower Mount

For meausring fuel pressure

1-1/2" dial size, 1/8"NPT center back

Pressure range: 0-60psi single scale, black dial

GlowShift 3/8” Fuel Line Fuel Pressure Barbed Push Lock T-Fitting Adapter Allows Users to Install a Fuel Pressure Sensor to a 3/8" Inner Diameter Fuel Line

Features 3/8" (9.5mm I.D) Barbed Push Lock Fittings, 1/8-27 NPT Port for Fuel Pressure Gauge Sensor & 2 Hose Clamps

Manufactured from 304 Stainless Steel that Prevents Corrosion

【Product Name】Stainless Steel Liquid Filled Pressure Gauge Wog

【Size】1/8''NPT；1.5" DIAL FACE

【Installation method】Lower Mount

GlowShift Tinted 7 Color Series 100 PSI Fuel Pressure Gauge is Designed to Monitor & Display the Pressure Running Through the Fuel System of Your Car or Truck

Fuel Pressure Readings from 0 to 100 PSI - 2-1/16" (52mm) Gauge with Black Dial, Tinted Lens & Illuminated Red Needle

7 Solid Color Modes & 2 Color Cycle Modes Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Vehicle - Colors Include Blue, Red, Green, Teal, Purple, White & Yellow - Connecting the Dimmer Wire to the Headlight Switch Reduces Brightness of the Gauge by 30% When the Headlights are On

0 - 120 psi Pressure Range for Electronic Fuel Injection

Easy to Read High-Contrast 1½” Face

Matte Black Stainless Steel Case and Bezel

Package Dimensions: 28.397 H x 2.387 L x 21.209 W (centimetres)

Package Weight: 0.258 kilograms

Fit type: Vehicle Specific

[High Precision and Long Life]: The exterior is made of stainless steel, and the interior is controlled by high-quality reed switches. The sensor is corrosion-resistant, does not rust, has a long life, stable output signal, and accurate measurement. Suitable for gasoline, diesel, water, methanol, etc.

[Easy to Read]: The fuel level gauge has 8 adjustable backlight colors, IP67 waterproof, stainless steel frame, anti-fog curved glass, easy to read (Empty-1/2-Full).

[Easy Installation]: SAE 5 hole mounting pattern, NBR material gasket, good sealing performance, high oil resistance, with M5 5 screws, 10 quick wiring terminals, easy and quick installation by referring to the wiring diagram.

PARAMETER---Double Scale Gauge:0-7bar,0-100psi.Three size adapters :6.30mm(SAE 1/4)7.89mm(SAE 5/16)9.49mm(SAE 3/8).

UNIVERSAL DESIGN ---Used on any engine you need to read fuel psi on.Helps identify and diagnose low fuel pressure, a faulty fuel pressure regulator, leaking injectors, fuel leaks, and clogged fuel filters.

WELL MADE---High quality brass connectors and Corrosion resistant rubber hose.Will last a long time.

Features 8mm (5/16") Barbed Fittings, 1/8-27 NPT Female Thread Port for Fuel Pressure Gauge Sensor & 2 Hose Clamps to Secure Fuel Line to T-Fitting

Packing Including: 2 Brass Barbed Fittings 5/16"(8mm) ，2 stainless steel clamp with handle and Teflon tape

Fuel Line Fuel Pressure T-Fitting Adapter Allows Users to Install a Fuel Pressure Sensor to the Fuel Line

Liquid Filled Universal Pressure Gauge

Compatible with Fuel, Oil, Water, Coolant, Air, Gas

Premium Quality - Rust Proof - Made of Stainless Steel

Pressure range: 0-200psi

Brass 1/4" Male NPT Connection. 2" Dial Display.

Environment: -40+65°C(-40 to 150°F)

For Measuring Pressure of Fuel, Oil, Water, Air Compressor, Hydraulics, HVAC, Coolant, Gaseous & Liquid media Pressure that are not highly viscous or crystallizing and not corrosive or oxidizing to copper alloy parts

1.5” Dial Size, 1/8” NPT Connection Brass Chrome Plated

Stainless Steel Case, Burdon tube type Brass and Copper Alloy Wetted Parts, Polycarbonate Window Lens, Glycerin Filed Keep Needle Steady During Engine Vibration

Traditional incandescent lighting illuminates around the perimeter of the dial

Works with most 1965 to 1997 Chevrolet/GM senders

12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system

GlowShift Black 7 Color Series 100 PSI Fuel Pressure Gauge is Designed to Monitor & Display the Pressure Running Through the Fuel System of Your Car or Truck

Fuel Pressure Readings from 0 to 100 PSI - 2-1/16" (52mm) Gauge with Black Dial, Clear Lens & Illuminated Red Needle

7 Solid Color Modes & 2 Color Cycle Modes Allow You to Match Your Factory Dashboard Lights or Add a Custom Style to the Interior of Your Vehicle - Colors Include Blue, Red, Green, Teal, Purple, White & Yellow - Connecting the Dimmer Wire to the Headlight Switch Reduces Brightness of the Gauge by 30% When the Headlights are On

Back-Lit illumination for night use

90° electrical sweep

Rear twist-on ring mount design makes mounting simple

ACCURACY MECHANICAL MOVEMENT DESIGN: This water pressure gauge is calibrated to ±2.5% of full pressure range 100psi to ensure an instantaneous, accurate reading; Mechanical design of this water pressure gauge for home gives you no fear of digital failure.

LIQUID FILLING WITH 2" CLEAR DIAL : Liquid filled pressure gauge 1/4 npt to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear dial with dual two colors scales make it easy to read;

DURABLE BUILD: The stainless steel construction is built to outlast the competition from normal steel or plastic gauge. The superior quality stainless steel and brass components ensure the gauge corrosion resistance and extends the gauge life.

DURABLE BUILD: The stainless steel construction is built to outlast the competition from normal steel or plastic gauge. The superior quality stainless steel and brass components ensure the gauge corrosion resistance and extends the gauge life.

ACCURACY MECHANICAL MOVEMENT DESIGN: This 1/8 fuel pressure gauge is calibrated to ±2.5% to ensure an instantaneous, accurate reading; Mechanical design gives you no fear of digital failure.

LIQUID FILLING 1/8 FUEL PRESSURE GAUGE WITH 1-1/2" CLEAR Black DIAL : Glycerin oil filled to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear Black dial with single colors scales make it easy to read;

ACCURACY MECHANICAL MOVEMENT DESIGN: This fuel pressure gauge 1/8 npt is calibrated to ±2.5% of full pressure range 100psi to ensure an instantaneous, accurate reading; Mechanical design of this fuel pressure gauge 1/8 npt gives you no fear of digital failure.

LIQUID FILLING AIR GAUGE 1/8 NPT WITH 1-1/2" CLEAR DIAL : Liquid filled to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear dial with dual two colors scales make this fuel pressure gauge 1/8 npt easy to read;

DURABLE BUILT 1/8 NPT AIR PRESSURE GAUGE: The stainless steel construction is built to outlast the competition from normal steel or plastic gauge. The superior quality stainless steel and brass components ensure the air gauge 1/8 npt corrosion resistance and extends the gauge life.