Fits select 1988-2009 Honda and Acura models including Civic, Integra, NSX, Prelude, and S2000.

The BLOX Racing Adjustable Fuel Pressure Regulator (BXFU-00402-BL) provides the precise fuel control necessary for modified street and race engines. This regulator is designed to bolt directly to the factory fuel rail, making it an efficient upgrade for enthusiasts installing larger injectors, high-flow fuel pumps, or forced induction systems that require specific fuel pressure adjustments.

• Direct-fit replacement for the factory fuel pressure regulator
• Allows for manual fuel pressure adjustments to optimize engine tuning
• Bolts to factory mounting points on the OEM fuel rail
• Essential for balancing fuel delivery in high-output naturally aspirated or turbocharged builds
• Manufacturer Part Number: BXFU-00402-BL

The Turbosmart FPR10 is a high-performance fuel pressure regulator engineered for high-horsepower applications requiring high-volume fuel flow. This regulator provides precise 1:1 manifold pressure tracking to ensure stable fuel delivery even under high boost. Machined from billet aluminum with stainless steel internal components, the FPR10 is designed to maintain consistent pressure control and withstand the demands of performance fuel systems.

• Dual -10AN inlet ports and single -10AN return port
• True 1:1 manifold pressure ratio for consistent fuel delivery
• Base pressure adjustable from 30 to 70 PSI
• MIL-Spec anodized black finish for superior corrosion resistance
• 1/8" NPT gauge port for precise pressure monitoring
• Includes stainless steel mounting bracket and vacuum fitting
• Manufacturer Part Number: TS-0404-1042

The Turbosmart FPR8 Sleeper Series Fuel Pressure Regulator (TS-0404-1035) provides high-performance fuel management with a low-profile, stealth aesthetic. Designed for electronic fuel injection systems, this regulator ensures precise fuel rail pressure control using a true 1:1 manifold pressure ratio. The Sleeper series features a signature matte black finish, making it an ideal choice for high-output street cars and track vehicles where a discreet engine bay appearance is preferred.

Constructed with high-flow internals and a durable stainless steel valve seat, the FPR8 is engineered to handle high-volume fuel pumps without experiencing pressure creep. It provides the stability and response time needed for accurate tuning under varying load and boost conditions.

• Manufacturer Part Number: TS-0404-1035
• True 1:1 manifold pressure ratio for consistent fueling
• High-flow internals with stainless steel valve seat for durability
• Low-profile Sleeper series matte black finish
• Integrated 1/8" NPT gauge port for accurate pressure monitoring
• Designed for high-performance EFI applications

The Turbosmart FPR8 Fuel Pressure Regulator delivers precise fuel pressure control for high-performance EFI systems. Designed to manage high flow rates without sacrificing stability, this regulator features -8AN ports for the inlet, outlet, and return to ensure minimal restriction in your fuel loop.

• Series: FPR8
• Port Size: -8AN Inlet, Outlet, and Return
• Finish: Black Anodized
• Compatibility: Suitable for high-flow EFI fuel systems
• Manufacturer Part Number: TS-0404-1032

Constructed for durability and precision, the FPR8 is an essential component for maintaining consistent rail pressure under varying engine loads, making it a trusted choice for street and track applications.

The Turbosmart FPR6 Sleeper Fuel Pressure Regulator (TS-0404-1025) provides precision fuel pressure management for high-performance EFI systems. As part of the Sleeper series, this regulator features a low-profile, black anodized finish designed for builders who want professional-grade fuel control without drawing unnecessary attention in the engine bay.

• Steady Fuel Control: Engineered for a consistent 1:1 manifold pressure ratio, ensuring predictable fuel delivery under all load conditions.
• Premium Construction: CNC-machined from high-grade billet aluminum for maximum durability and resistance to high-pressure environments.
• Sleeper Aesthetics: The stealthy black anodized finish provides superior corrosion resistance while blending seamlessly into your engine's layout.
• Fuel Compatibility: Suitable for use with pump gas, race gas, and alcohol-based fuels including E85 and Methanol.
• MPN: TS-0404-1025

The Turbosmart FPR6 is a performance-grade fuel pressure regulator engineered to provide precise control and consistent fuel delivery for high-demand engines. Designed for both street and track use, this unit is capable of supporting fuel systems in vehicles requiring stable pressure regulation under varying load conditions.

• Features dual -6AN inlet ports and a single -6AN return port for high-flow compatibility.
• Integrated 1/8" NPT gauge port for accurate pressure monitoring and adjustment.
• Constructed from durable billet aluminum with a corrosion-resistant purple anodized finish.
• Compatible with leaded and unleaded gasoline, as well as alcohol-based fuels like E85.
• Includes mounting bracket and vacuum fitting for a complete installation.
• Manufacturer Part Number: TS-0404-1023.

The Turbosmart FPR6 is a high-performance fuel pressure regulator designed for precise, stable fuel delivery in street and track applications. This regulator ensures your fuel system maintains consistent pressure under all load conditions, preventing lean or rich conditions that can affect engine performance.

Machined from billet aluminum and finished with durable black anodizing, the FPR6 series is engineered to handle high-flow fuel systems without pressure creep. It features -6AN inlet and outlet ports, making it a versatile choice for modern fuel system upgrades.

• Manufacturer: Turbosmart
• Model: FPR6
• Part Number: TS-0404-1022
• Port Size: -6AN Inlet and Outlet
• Gauge Port: 1/8" NPT
• Finish: Black Anodized
• Compatibility: Compatible with leaded, unleaded, and alcohol-based fuels

The Turbosmart FPR6 (TS-0404-1021) delivers precise fuel pressure control for high-performance EFI systems. This regulator is engineered to provide consistent fuel delivery and stable pressure regulation under varying load conditions, making it an essential upgrade for street and track vehicles alike. Built from billet aluminum with a durable blue anodized finish, it features a 1:1 manifold pressure ratio to ensure your fuel rail pressure tracks perfectly with boost or vacuum.

• High-grade billet aluminum construction with stainless steel internal components
• Equipped with -6AN inlet, outlet, and return ports for high-flow compatibility
• 1:1 manifold pressure reference ratio for accurate fuel compensation
• Integrated 1/8" NPT gauge port for easy pressure monitoring
• Compatible with leaded, unleaded, and alcohol-based fuels
• Manufacturer Part Number: TS-0404-1021

Maintain precise fuel rail pressure with the Turbosmart Kompact Universal Fuel Pressure Regulator. This regulator is engineered for performance applications where engine bay space is limited, offering a compact footprint without compromising on flow or response. Part of the Sleeper series, it features a discreet black finish to provide a stealthy, professional appearance in the engine bay.

• Compact design allows for mounting in tight spaces where full-sized regulators won't fit.
• Equipped with 1/8in NPT inlet and outlet ports for straightforward plumbing into custom fuel systems.
• Ideal for low-to-mid horsepower builds requiring reliable pressure regulation.
• Sleeper Series black anodized finish resists corrosion while maintaining an understated look.

Technical Specifications:

• Manufacturer Part Number: TS-0404-1015
• Port Type: 1/8in NPT
• Finish: Black (Sleeper Series)
• Fitment: Universal

The Radium Engineering Dual Fuel Pressure Regulator (DFPR), part number 20-1102, is a specialized solution for high-performance custom fuel systems that utilize both direct injection (DI) and port injection (PI). This compact unit allows tuners and builders to set independent fuel pressures for each system while utilizing a single fuel feed input, significantly simplifying engine bay plumbing.

Beyond basic regulation, the DFPR architecture is specifically engineered to suppress the aggressive pressure spikes inherent in mechanical, positive-displacement plunger-type High-Pressure Fuel Pumps (HPFP). By dampening these pulses, the DFPR protects fuel system components and ensures more stable pressure readings for more accurate tuning.

• Independent Regulation: FPR1 manages the direct injection circuit while FPR2 controls the port injection circuit.
• Single Feed Input: Eliminates the need for external Y-blocks or multiple feed lines to the regulators.
• Dampening Function: Integrated design absorbs pressure fluctuations caused by the HPFP plunger.
• Compatibility: Ideal for high-output DI/PI hybrid fuel systems.
• Manufacturer Part Number: 20-1102

The Snow Performance SNF-11100 Flex Fuel Sensor Manifold Assembly provides a secure, leak-free housing for integrating a flex fuel sensor into your vehicle's fuel system. This precision-machined manifold is specifically designed to accommodate standard GM-style sensors, ensuring accurate ethanol content readings for your engine management system.

• Engineered for compatibility with ACDelco sensor part numbers: 13577429, 13507129, and 13507128
• Durable construction suitable for high-pressure fuel environments
• Direct fitment for Snow Performance flex fuel integration kits
• Manufacturer Part Number: SNF-11100

Please note: Entry and exit fittings are not included and must be purchased separately to complete the installation.

The Snow Performance Compact Billet Fuel Pressure Regulator (SNF-11000) provides precise fuel management for high-demand performance applications. Engineered and manufactured in the USA, this regulator is CNC-machined from billet aluminum and finished in black anodizing for maximum corrosion resistance and durability. The internal assembly features all stainless steel components, including the regulator spring, to ensure consistent performance over time.

Equipped with a Fluorosilicone coated Nomex diaphragm, this regulator offers exceptionally fast response times to changing fuel flow demands. It is fully compatible with all fuel types, including E85 and Methanol. The unit is adjustable from 3 to 80 PSI and includes a 1:1 vacuum/boost reference port, making it ideal for forced induction configurations.

• Adjustable pressure range: 3-80 PSI
• Three 6AN ORB inlet/outlet ports
• One 6AN ORB return port
• 1/8" NPT gauge port
• 1/8" hose barb for 1:1 vacuum/boost reference
• Fluorosilicone coated Nomex diaphragm for rapid response
• CNC-machined billet aluminum body with black anodized finish
• All stainless steel internal hardware and spring
• Compatible with gasoline, E85, and Methanol
• Made in the USA
• Manufacturer Part Number: SNF-11000

Engineered for high-performance EFI systems, the Snow Performance SNF-10000 High Flow Billet Fuel Pressure Regulator delivers precise fuel control and lightning-fast response to changing engine demands. This USA-made regulator is CNC-machined from billet aluminum and finished in a durable black anodized coating for superior corrosion resistance.

The internal components are designed for maximum longevity and compatibility with all fuel types, including E85 and Methanol. It features a Fluorosilicone-coated Nomex diaphragm and a silicon nitride ceramic ball that is immune to corrosion. With two 8AN ORB inlet/outlet ports and a dedicated 8AN ORB return port, this unit provides the flow capacity required for high-horsepower applications.

• Part Number: SNF-10000
• Adjustment Range: 35-100 psi
• Ports: Two 8AN ORB inlet/outlet, one 8AN ORB return
• Reference: 1/8-inch hose barb for 1:1 vacuum/boost reference
• Gauge Port: 1/8-inch NPT
• Materials: Billet aluminum body and internals, ceramic ball, Nomex diaphragm
• Fuel Compatibility: Gasoline, E85, and Methanol
• Origin: Made in the USA

Fits 2003-2007 Ford F-250/F-350 Super Duty and 2003-2005 Excursion (6.0L). Not compatible with E-series models.

The Sinister Diesel Adjustable Blue Spring Kit (SD-FUELBLK-6.0-ADJ) is a critical upgrade for the 6.0L Powerstroke fuel system. By replacing the weak factory regulator spring with the updated "Blue Spring," this kit restores fuel pressure—typically providing an increase of 10 psi—to ensure injectors remain properly lubricated and cooled. Maintaining adequate pressure prevents injector cavitation, which is a leading cause of premature failure in Powerstroke engines.

Unlike standard kits, this version includes a CNC-machined T6-6061 billet aluminum housing. This component replaces the prone-to-leak factory cast aluminum housing and features an integrated adjustment screw. This allows you to fine-tune fuel pressure between 55-68 psi to suit your specific performance needs or to compensate for spring settling over time. The housing is finished in signature Sinister Blue anodizing for corrosion resistance and a clean look under the hood.

• Material: CNC Machined T6-6061 billet aluminum housing
• Adjustment Range: User-adjustable for 55-68 psi
• Finish: Anodized Sinister Blue with laser-etched logo
• Function: Restores lost fuel pressure and protects injectors from low-pressure damage
• Installation: Simple 30-minute bolt-on installation
• Manufacturer Part Number: SD-FUELBLK-6.0-ADJ

Includes: (1) Sinister Diesel Billet Spring Housing, (1) Updated Blue Spring, (1) Complete Gasket and O-ring set, and all necessary installation hardware.

The Radium Engineering Direct Mount Regulator (DMR) is a compact, high-performance EFI fuel pressure regulator designed for space-constrained engine bays. This redesigned unit provides a streamlined solution for regulating fuel pressure in both single and multiple pump configurations. Featuring a 360-degree swiveling design, it allows for flexible orientation when mounting directly to a fuel rail or high-flow fuel line.

• 8AN ORB (3/4-16 threaded) inlet port for high-flow capacity
• Tool-free pressure adjustment knob for quick trackside tuning
• Two 1/8-inch NPT ports for fuel pressure gauge or electronic sensor installation
• Fully E85 and flex-fuel compatible materials
• Anodized green finish for durability and corrosion resistance
• Manufacturer Part Number: 20-1623-01

Operationally, the minimum pressure of the DMR is determined by the fuel pump flow output and return line restriction, while the maximum pressure is limited only by the fuel pump's peak output.

The Radium Engineering 20-1623-00 Direct Mount Regulator-Rotating Assembly (DMR-RA) provides a compact, high-performance fuel pressure control solution for modern EFI systems. Designed to mount directly to an 8AN ORB port, this regulator features a swiveling housing that allows for flexible 360-degree orientation, simplifying fuel line routing in crowded engine bays.

This redesigned unit is engineered to manage flow for both single and multiple fuel pump configurations. It features a tool-free adjustment knob for rapid pressure tuning and is fully compatible with E85 and alternative fuels. Two integrated 1/8" NPT ports allow for the simultaneous installation of a mechanical pressure gauge and an electronic pressure sensor.

• Manufacturer Part Number: 20-1623-00
• Mounting: 8AN ORB Direct Mount swivel assembly
• Adjustment: Tool-free pressure adjustment
• Ports: Dual 1/8" NPT for gauges or sensors
• Compatibility: All EFI systems, E85 and alcohol fuel safe
• Finish: Black anodized aluminum

Please note: Minimum regulated pressure is determined by the fuel pump flow output and return line restriction; maximum pressure is limited by the fuel pump's peak output.

The Radium Engineering Multi-Port Regulator (MPR) is a universal, adjustable fuel pressure regulator designed for high-performance EFI systems. Built to accommodate a wide range of fueling requirements, this regulator is ideal for pump flows from 200 LPH to 1,400 LPH, ensuring stable pressure even in high-volume applications. The MPR features a distinct green anodized top and is fully compatible with E85 and other alcohol-based fuels.

• Universal fitment for EFI-equipped vehicles
• Supports fuel pump flow rates from 200 LPH to 1,400 LPH
• Tool-free fuel pressure adjustment for quick tuning
• Anodized green aluminum top for durability and corrosion resistance
• Compatible with gasoline, methanol, and E85 fuels
• Manufacturer Part Number: 20-1100-01

The Radium Engineering MPR-RA (Multi-Port Regulator Rotating Assembly) is a high-performance, universal fuel pressure regulator designed for EFI vehicles. Engineered to maintain precise fuel pressure across a wide range of demands, it efficiently handles pump flow rates from 200 LPH up to 1400 LPH. This unit features a unique rotating top assembly that allows for easier hose routing and port alignment, solving clearance issues in crowded engine bays.

• Supports fuel flow rates from 200 LPH to 1400 LPH
• Full compatibility with gasoline, ethanol, and E85 blends
• CNC-machined aluminum construction with a black anodized top for corrosion resistance
• Ideal for high-horsepower builds requiring precise pressure management
• Interchangeable return orifices for fine-tuning pump flow
• Manufacturer Part Number: 20-1100-00

Fits 1999-2005 Mazda MX-5 Miata (NB).

The Radium Engineering RA-Series Fuel Pressure Regulator Kit provides a reliable method for implementing adjustable fuel pressure on second-generation Mazda Miatas. This kit is specifically designed for a straightforward, completely reversible installation, making it ideal for tuners who need to adjust fueling parameters without permanent modifications to the vehicle.

• Enables precise, adjustable fuel pressure control for tuned applications
• Compatible with both the factory Mazda fuel pump hanger and Radium Engineering fuel pump hangers
• Bolt-on design allows for a 100% reversible installation
• Includes all necessary hardware and fittings for integration
• Manufacturer Part Number: 20-1022

The Radium Engineering RA-Series Fuel Pressure Regulator (FPR) Kit is a bolt-on solution designed specifically for the 2015-2021 Subaru WRX STI equipped with the EJ257 engine. This kit replaces the factory regulator to provide the precise fuel pressure management required for high-performance applications, especially when upgrading to high-flow aftermarket fuel pumps.

Built with a 1:1 manifold pressure tracking ratio, the RA-Series regulator ensures consistent fuel delivery across the entire RPM range. This comprehensive kit (MPN 20-0965) includes all necessary hardware for a clean installation into the factory fuel system, allowing for manual pressure adjustments to fine-tune your engine's fueling requirements.

• Fits 2015-2021 Subaru WRX STI (Base, Limited, S209, and special editions)
• Specifically for EJ257 engine platforms
• Adjustable fuel pressure with 1:1 vacuum/boost reference
• Interchangeable discharge orifices to match pump flow
• Anodized finish for durability and corrosion resistance
• Includes vehicle-specific mounting bracket and adapter fittings
• Manufacturer Part Number: 20-0965

The Radium Engineering Direct Mount Regulator (DMR) Remote Adapter Kit (20-0624) is engineered to relocate your fuel pressure regulator off the fuel rail for custom plumbing or clearance requirements. This kit allows the Radium Gen 2 DMR to be used as a traditional remote-mount regulator, providing flexibility in engine bay layout and fuel system configuration.

Relocating the regulator is an ideal solution for applications where intake manifold runners, wiring harnesses, or forced induction components interfere with a rail-mounted setup. The kit features a dedicated mounting bracket and the specific fittings required to adapt the DMR's unique mounting footprint to a remote configuration.

• Relocates Radium Gen 2 DMR from fuel rail to a remote location
• Includes application-specific mounting bracket and adapter fittings
• Compatible exclusively with Radium Gen 2 Direct Mount Regulators (DMR)
• Simplifies fuel system plumbing in cramped engine bays
• Manufacturer Part Number: 20-0624

Fits 2008-2017 Subaru WRX STI.

The Radium Engineering fuel pressure gauge kit (MPN 20-0386) provides a critical window into your vehicle's fuel system health. This mechanical gauge setup is essential for diagnosing delivery issues or verifying regulator settings on modified EJ-series engines. The kit is designed to integrate seamlessly with Radium fuel rails or any 8AN ORB port, allowing for a professional, leak-free installation.

Construction includes a high-visibility dial face and robust adapter fittings. The included 90-degree elbow ensures the gauge can be clocked for the best visibility in the crowded engine bay of a VA or GR chassis STI. This component replaces or augments standard fuel rail plugs to provide real-time pressure data.

• Includes 8AN ORB to 1/8NPT female adapter
• Includes 90-degree Male/Female 1/8NPT elbow fitting
• Mechanical gauge with clear pressure increments
• Designed for high-pressure fuel system environments
• Manufacturer Part Number: 20-0386

The Radium Engineering FPR Adapter (MPN 20-0303) allows for the integration of an OEM fuel pressure regulator into custom or aftermarket fuel systems. This adapter is specifically designed for applications where the factory regulator needs to be relocated or reused on a non-OEM fuel rail rather than the factory mounting points.

• Internal Bore: 11mm diameter
• Mounting Spacing: 32mm center-to-center
• Outlet Port: 8AN ORB (O-Ring Boss)
• Mounting Hardware: M5 threads
• Manufacturer Part Number: 20-0303

Engineered for high-pressure fuel environments, this adapter provides a secure, leak-free transition from the regulator's proprietary housing to a standard 8AN ORB fitting, offering the flexibility required for custom plumbing and performance fuel delivery setups.

Fits 2008 Mitsubishi Lancer Evolution MR.

The Radium Engineering FPR Adapter (20-0301) allows for the reuse of the factory fuel pressure regulator in custom fueling applications or aftermarket fuel rail setups other than the OEM rail. This adapter is essential for drivers looking to maintain factory fuel pressure regulation while upgrading the rest of their fuel delivery system.

• Bore Diameter: 11mm
• Mounting Spacing: 39mm
• Outlet Port: 8AN ORB
• Hardware: Includes M6 mounting bolts
• Precision machined for a secure, leak-free fitment
• Manufacturer Part Number: 20-0301

The Radium Engineering Fuel Pressure Regulator (Body Only) provides a high-performance foundation for custom fuel system plumbing. This modular unit is designed for builders who require specific inlet/outlet configurations and interchangeable return orifices to precisely manage fuel rail pressure and flow.

CNC machined from 6061-T6 aluminum and finished in a durable Type II black anodizing, this regulator body is fully compatible with all fuel types, including E85 and methanol. By utilizing a 1:1 vacuum/boost reference ratio, it ensures that fuel pressure rises in direct proportion to manifold pressure, maintaining consistent injector delta. This "Body Only" version allows you to customize the regulator with specific Radium orifices and -6AN ORB fittings to suit your pump's flow rate.

• Manufacturer Part Number: 20-0014
• Material: CNC Machined 6061-T6 Aluminum
• Finish: Type II Black Anodized
• Ratio: 1:1 Vacuum/Boost Reference
• Gauge Port: 1/8" NPT
• Inlet/Outlet Ports: -6AN ORB (O-ring boss)
• Compatibility: Safe for gasoline, methanol, and ethanol fuels

Ensure consistent fuel delivery with the Radium Engineering Fuel Pressure Regulator (MPN 20-0010-01). This assembly utilizes a genuine Bosch 4 bar internal regulator to maintain a steady 58 psi fuel rail pressure, providing OE-level reliability and precision for performance fuel systems.

Designed for enthusiasts who require a fixed-pressure solution, this regulator eliminates the need for constant adjustment while offering the superior flow characteristics of Bosch internals. The housing is CNC machined for a perfect seal and long-term durability in demanding engine bay environments.

• Manufacturer Part Number: 20-0010-01
• Includes genuine Bosch 4 Bar (approx. 58 psi) regulator
• Fixed pressure design for reliable, simplified tuning
• Precision CNC machined housing
• Compact form factor for easy installation in tight spaces

The Radium Engineering Fuel Pressure Regulator (MPN: 20-0010-00) combines a high-flow, precision-machined housing with a genuine Bosch 3.0 bar (43.5 psi) regulator insert. This configuration offers the fuel pressure accuracy and reliability of an OEM Bosch component with the versatile mounting and plumbing options required for performance fuel systems.

Constructed from CNC-machined 6061 aluminum and finished with a durable anodized coating, this regulator is designed to withstand high-pressure environments and is compatible with all fuel types, including E85. The compact footprint makes it an ideal solution for engine bays where space is limited but consistent fuel delivery is critical.

• Includes a genuine Bosch 3 Bar (43.5 psi) regulator insert
• Precision CNC-machined 6061 aluminum housing
• Anodized finish for superior corrosion and wear resistance
• Reliable fuel pressure management for naturally aspirated or forced induction builds
• Manufacturer Part Number: 20-0010-00

Restore the precision and reliability of your fuel system with the Radium Engineering Fuel Pressure Regulator (FPR) Service Replacement Diaphragm. This genuine Radium service part is designed to replace a worn or compromised internal membrane, ensuring your regulator maintains consistent fuel pressure without drift or leakage.

Over time, high heat cycles and aggressive fuel additives can degrade the diaphragm's flexibility and sealing properties. Installing this replacement part (MPN 18-0017) is a critical maintenance step for any high-performance fuel system, allowing you to refresh the regulator internals without the cost of a complete new unit.

• Genuine Radium Engineering replacement component
• Restores factory-spec fuel pressure regulation and response
• Prevents fuel pressure inconsistencies caused by aged membranes
• Compatible with standard and performance fuels
• Manufacturer Part Number: 18-0017

The Nitrous Express 15951 is a precision-engineered non-bypass fuel pressure regulator designed to maintain consistent fuel delivery in high-performance applications. By managing pressure levels accurately, this regulator prevents the needle and seat from being overpowered, ensuring your fueling system operates within its optimal range.

This unit features a dedicated 1/8" NPT gauge port, allowing for the direct installation of a mechanical or electronic fuel pressure gauge for real-time monitoring and easy tuning. Built for durability and precise adjustment, it is an essential component for any carbureted setup requiring a non-return style regulation system.

• Manufacturer Part Number: 15951
• Regulator Style: Non-bypass (non-return)
• Gauge Port: Integrated 1/8" NPT port
• Included: Installation instructions, warranty information, and certificate of origin

The Go Fast Bits (GFB) 5730 Fuel Pressure Gauge is a precision mechanical instrument designed for real-time visual monitoring of your vehicle's fuel system. This compact 40mm (1.5") gauge allows for immediate verification of fuel rail pressure, making it an essential tool for setting up adjustable regulators or diagnosing fueling issues at a glance.

• Pressure Range: 0-120 PSI scale for versatile fuel system applications.
• Compact Design: 40mm (1-1/2") face diameter allows for easy fitment in tight engine bays.
• Secure Connection: Features a standard 1/8 MPT male thread for a leak-free seal.
• Compatibility: Specifically engineered to suit GFB 8050 and 8060 fuel pressure regulators.
• Part Number: 5730

By installing this gauge directly onto your GFB regulator, you eliminate the guesswork when tuning your fuel curve, ensuring your engine receives the precise pressure required for optimal performance and safety.