Adjustable Fuel Pressure Regulator Carburetor with Gauge Fit for Holley and Edelbrock Carburetors Replace 12-803, 4-1/2-9 PSI, 3/8in NPT

Compatible Models Fit for Holley and Edelbrock carburetors Replace Part Number Replace 12-803 Features Adjustable knob and stabilizing structure allow flexible fuel pressure tuning for better performance Easy-to-read gauge shows real-time pressure for quick and accurate system monitoring High-strength metal resists pressure, rust, and corrosion in extreme conditions Compact design with standard ports allows quick setup without special tools Package Includes 1* Fuel Pressure Regulator 1* Fuel Gauge 1* Wrench 1* Brass Connector 1*Raw Tape 3* Fixing Screws

• Precise Pressure Control: Fuel pressure regulator is equipped with a high-precision adjustment knob and an internal pressure-stabilizing structure. Users can flexibly adjust the supply pressure according to their needs to enhance power output
• High-precision Pressure Gauge: Integrated pressure gauge adopts a clear and easy-to-read dial design, which can reflect the current fuel system pressure value in real time, users can quickly determine whether there is insufficient fuel supply or overpressure, and make timely adjustments
• Precise Fit: Fuel pressure regulator carburetor fit for Holley and Edelbrock carburetors, replace 12-803
• Strengthened and Durable Structure: Main structure is made of high-strength metal material, and the surface is specially treated to have excellent pressure resistance, rust resistance and corrosion resistance. Even in harsh environments such as high temperature and high pressure, it can maintain stable performance
• Easy Installation: Overall structure of the adjustable fuel pressure regulator is compact and reasonable, equipped with standard interfaces, the installation process is simple and clear, and does not require complex tools or professional skills