Fuel Rail Pressure Relief Valve Plug – Race Upgrade | Fits Dodge Ram 6.7L Cummins (2007.5–2012) & GM Duramax 6.6L (2004.5–2010) | CNC Steel | Eliminates P0087 / P1093

Fuel Rail Pressure Relief Valve Plug – Dodge Cummins & GM Duramax

This race-grade fuel rail plug replaces the factory pressure relief valve (PRV), eliminating fuel pressure drops and diagnostic trouble codes (DTCs) under high-load conditions. Ideal for tuned diesel engines and performance builds.

Key Features

• Material: CNC-machined S1550 alloy steel – corrosion and heat resistant
• Function: Blocks PRV return port – maintains up to 30,000 psi fuel rail pressure
• Design: Direct replacement for factory banjo bolt PRV
• Codes Eliminated: P0087 (Low Fuel Rail Pressure) / P1093 (Fuel Volume Regulator)
• Finish: Black oxide coating – anti-rust and anti-oxidation

Fitment Compatibility

• Dodge Ram 6.7L Cummins: 2007.5–2012 | ISB24V | Pickup only
• GM Duramax 6.6L: 2004.5–2010 | LLY / LBZ / LMM
• Note: Not compatible with Cab & Chassis platforms or emissions-retained configurations

Package Includes

• 1 × Fuel Rail Plug Valve – CNC Steel
• 1 × Viton O-ring (pre-installed)

Installation Notes

• Remove factory PRV banjo bolt from fuel rail
• Install plug using 28mm socket
• Torque to 72 ft-lbs
• ECU tuning recommended for optimal fuel delivery

⚠️ Legal Disclaimer

• This product is intended for off-road or closed-course competition use only
• Not compliant with EPA or CARB emissions standards
• Use on public roads may violate federal or state laws

🔧 Restore Performance & Reliability

• Improves Fuel Stability: Prevents pressure bleed-off at high RPM
• Supports Tuning: Ideal for modified injectors and high-output fuel systems
• Eliminates Fault Codes: Resolves common PRV-related DTCs
• Durable Construction: Resists cracking, heat expansion, and corrosion