Grams Performance G2-99-0030 Fuel Pressure Gauge 0-30 PSI 1.5 Inch Mechanical Black

The Grams Performance G2-99-0030 is a professional-grade mechanical fuel pressure gauge designed to provide accurate, real-time monitoring of fuel system pressure. This compact 1.5-inch gauge features a 0-30 PSI measurement range, making it ideal for monitoring fuel pressure on naturally aspirated and low-boost applications including carbureted engines, EFI systems, and fuel pumps.

Key Features:

• 0-30 PSI pressure range with easy-to-read gauge face
• Glycerin-filled chamber dampens needle vibration for stable, accurate readings
• 1.5-inch diameter compact design fits tight mounting locations
• 1/8-inch NPT fitting for universal installation compatibility
• Black face with white markings for excellent visibility
• Mechanical operation requires no electrical connection
• Durable construction withstands harsh underhood environments

The glycerin-filled design is a critical feature that protects the internal mechanism from vibration damage while ensuring smooth needle movement and consistent readings. The mechanical design eliminates the need for electrical wiring, making installation straightforward with just a fuel pressure line connection. Perfect for monitoring carburetor fuel pressure, verifying fuel pump output, or diagnosing fuel delivery issues.