Fuel Pressure Regulator Kit — Complete Fuel System Control in One Package

When building a performance fuel system, the regulator determines whether fuel delivery stays consistent under load. A mismatched regulator throws off injector pulse width, creates lean conditions at high RPM, or fails under surge pressure. This Black Edition Fuel Pressure Regulator Kit delivers adjustable fuel pressure control, a readable 0-160 PSI gauge, and a complete AN-6 hardware set in one order — without hunting individual fittings, hoses, and mounting hardware from multiple suppliers. The adjustable design separates a tunable fuel system from a locked-in stock setup, simplifying the tuning process across naturally aspirated and boosted EFI applications.

Why This Fuel System Kit Works

Fuel system failures rarely occur at rated pressure — they start at connection points under repeated thermal cycling and vibration. The AN-6 fittings match the regulator port standard and include 90-degree elbows, straight fittings, a fuel rail adapter, and an end cap. Three braided hoses ship pre-matched to the AN-6 hardware, eliminating the barb dimension mismatch that stops an install mid-job when hoses are sourced separately. The stealth black anodized finish provides corrosion resistance and coordinated engine bay appearance for builds where component consistency matters.

Key Features

1. Complete Kit — All Components Included

Everything for a standard fuel pressure regulator install in one kit: adjustable regulator, 0-160 PSI gauge, three braided hoses, AN-6 fittings and hardware, mounting bracket, and seven sealing O-rings. No partial orders, no compatibility guessing from separate suppliers. For tuner shops running multiple builds, the kit format reduces parts handling and eliminates missing hardware on the bench. The pre-assembled approach removes the fitment uncertainty that comes from sourcing hoses and fittings separately.

2. Adjustable Fuel Pressure Control

A top adjustment bolt and locking nut allow fuel pressure to be set with standard tools — no proprietary equipment required. Reliable across carbureted return-style fuel systems and modern EFI builds requiring precise base pressure before injector calibration. The 0-160 PSI gauge provides real-time fuel pressure monitoring as you adjust, removing guesswork from pressure-setting by feel and confirming the target is reached under live pump operation.

3. 0-160 PSI Gauge with Clear Dial

The pressure gauge uses a polished silver rim and high-contrast black-and-white dial readable at engine bay inspection distances. The 0-160 PSI range covers standard fuel injection requirements and higher-pressure EFI performance builds. Selecting a fuel system kit based only on nominal pressure can miss surge spikes during cold starts. The 160 PSI ceiling gives you headroom to observe transient peaks and verify the fuel circuit is within safe operating limits.

4. Stealth Black Anodized Finish

A uniform matte black anodized finish suits performance show builds and professional installs. Anodizing creates a hard, corrosion-resistant layer integrated into the aluminum rather than applied over it — holding up in underhood fuel vapor environments without chipping or peeling. The all-black hardware set — regulator body, fittings, and bracket — provides a clean, coordinated engine bay appearance without additional color-matching or finishing work on site.

5. AN-6 Fittings and Hardware

The set includes two 90-degree elbow AN-6 fittings, two straight AN-6 fittings, a fuel rail adapter, a hex end cap, and a straight fitting with washer. AN-6 is a widely adopted standard in the performance fuel system category, providing compatibility with most aftermarket fuel rails and hose assemblies. In actual use, most fuel line failures start at end fittings under vibration and clamping stress — pre-matched hardware targets this common failure point in custom fuel system installations.

6. Three Braided Fuel Hoses

Two longer sections and one shorter braided fuel hose cover common fuel rail to regulator and return line routing configurations. Metal braid reinforcement protects against abrasion and helps the hose maintain shape under operating pressure. Having both long and short lengths in a single kit eliminates the need for custom-cut hoses for most standard fuel system layouts, reducing bench work during build time.

Kit Contents

Applications

• Performance fuel systems — Adjustable fuel pressure regulation for tuned naturally aspirated and turbocharged engines. Set base fuel pressure independently of pump output and matched to injector requirements. The 0-160 PSI gauge provides real-time visibility during startup and pressure verification after any fuel system change.
• Fuel rail upgrades — AN-6 connection to aftermarket fuel rails via the included fuel rail adapter. Direct connection for high-flow injector installations without custom machining. The adapter bridges the rail to the AN-6 hose fittings using the same standard throughout the fuel system.
• Workshop and distributor programs — Complete kit format for tuner shops and fuel system suppliers. The pre-assembled kit reduces parts handling per install and provides a repeatable hardware standard across multiple builds. Simplifies inventory management and reduces SKU count for fuel pressure regulator installations.

Installation Notes

Mount the regulator using the L-shaped bracket close to the fuel rail to minimize hose length. Connect braided hoses using the AN-6 fittings, elbows, and fuel rail adapter as required by your layout. Verify O-ring seating at each connection — confirm each is fully seated and not twisted before threading the mating fitting. Start the fuel pump without cranking to pressurize, check every connection for leaks, then adjust the regulator to target fuel pressure and lock the adjustment nut.

Quality and Supply

The complete kit ships with fittings in protective bags inside an export carton. Black anodized components provide corrosion resistance for long service in underhood fuel system environments. OEM and private-label programs are available for custom packaging and labeling configurations. The kit format allows performance aftermarket distributors to stock a complete fuel pressure regulator solution without managing separate regulator, gauge, hose, and fitting SKUs.