DeatschWerks 6-45-M52 Performance In-Tank Fuel Pressure Regulator 4.5 BAR

The DeatschWerks 6-45-M52 is a high-performance in-tank fuel pressure regulator designed to maintain consistent 4.5 BAR (65 PSI) fuel pressure for modified fuel systems. This regulator is engineered specifically for Mazda applications requiring upgraded fuel delivery components to support increased horsepower and performance modifications.

Key Features:

• Fixed 4.5 BAR (65 PSI) pressure regulation for consistent fuel delivery
• In-tank design for simplified installation and cleaner engine bay
• High-quality construction for reliable performance under demanding conditions
• Direct application for Mazda fuel system upgrades
• Designed to work seamlessly with DeatschWerks in-tank fuel pumps

This regulator is ideal for enthusiasts running larger injectors, upgraded fuel pumps, or forced induction systems that require precise fuel pressure control. The in-tank mounting eliminates the need for external regulators and return lines, simplifying installation while maintaining professional-grade performance.