Russell Performance Regulator Fittings

Russell Performance Regulator Fittings are purpose-built adapter fittings engineered to deliver clean, secure connections between fuel pressure regulators and high-performance fuel system plumbing. Trusted by professional builders and serious enthusiasts alike, Russell has defined quality in performance fluid system components for decades — delivering the leak-free reliability that demanding motorsport and street performance applications require.

Key Features:

• CNC-Machined Precision: Each fitting is machined to exacting tolerances, ensuring consistent, reliable sealing and a professional finished appearance across every installation
• 6061-T6 Aluminum Construction: All-metal construction with no plastic components — engineered for an optimal balance of strength and weight savings in performance applications
• Regulator-Specific Design: Purpose-built to integrate fuel pressure regulators cleanly and securely within custom fuel system plumbing layouts
• Versatile Thread Compatibility: Available in standard, metric, and pipe thread configurations to accommodate a wide range of fuel pressure regulators and plumbing setups
• Multiple Finish Options: Offered in complementary finish treatments to suit any engine compartment build aesthetic
• Seamless System Integration: Designed to work in conjunction with Russell hose ends, ProClassic and ProFlex fuel lines, and related accessories for a complete, professional-grade fuel system solution

Whether plumbing a dedicated race car, a high-performance street build, or a custom EFI fuel system, Russell Performance Regulator Fittings provide the engineering integrity and proven durability that serious builds demand. As part of Russell's comprehensive line of performance fluid system components, these fittings reflect the strict quality standards and manufacturing consistency the Russell brand is known for.