Aeromotive A1000 Adjustable EFI Fuel Pressure Regulator, Part Number 13138

This next generation A1000 EFI regulator features legendary Aeromotive flow and pressure control in?a new body, profiled for reduced size and weight.? This new, patented design features a deep, bright-dip black anodized finish on the cap and base, with AN spec ORB (o-ring boss) style inlet/outlet and return ports. In addition to the aesthetic enhancements, this next generation version A1000 regulator provides a distinct visual cue that you?ve purchased a genuine, Aeromotive EFI regulator, ensuring our valuable customers are not tricked into purchasing an inferior, knock-off or counterfeit component like so many flooding the market from across the ocean. On the street and at the track, A1000 regulators have logged more miles, laps and passes than any other performance EFI regulators in the world! High performance, adjustable EFI regulator designed for medium to high horsepower applications. This regulator features Aeromotive?s High-flow design, superb pressure control, and legendary durability. Engineered for A1000 class and smaller pumps. Gas, ethanol, methanol, and diesel compatible. 40-75 PSI adjustable base pressure range. 1:1 vacuum/boost reference capability. 1/8? NPT dedicated gauge port. (2) ORB inlet/outlet ports. (1) ORB return port. NEW A1000 Regulator, Adjustable, EFI, (2)-6 inlets, (1) -6 return . Adjustable EFI Regulator (2) -06 inlets and (1) -06 return

The Aeromotive A1000 Adjustable EFI Fuel Pressure Regulator is a high-flow fuel pressure control solution designed for medium- to high-horsepower electronic fuel injection applications. Aeromotive part number 13138 combines precise pressure regulation with the durability required for demanding street and track use. Its compact, lightweight body supports clean installation while the deep black anodized cap and base provide a durable, professional finish and help identify it as a genuine Aeromotive component.

Engineered for A1000-class and smaller fuel pumps, this adjustable regulator supports gasoline, ethanol, methanol, and diesel fuel systems. The 40-75 PSI adjustable base pressure range allows tuning flexibility for a wide variety of EFI combinations. A 1:1 vacuum or boost reference capability helps maintain consistent fuel pressure as engine load changes, supporting reliable fuel delivery under naturally aspirated, boosted, and high-performance conditions.

The regulator features two AN-6 ORB inlet ports, one AN-6 ORB return port, and a dedicated 1/8-inch NPT gauge port for convenient pressure monitoring. AN-spec O-ring boss connections help provide secure, leak-resistant plumbing when paired with compatible fittings. This regulator is intended for electronic fuel injection systems and is not approved for carbureted applications. Professional installation and system-specific pressure verification are recommended before operation.

What's Included: Aeromotive A1000 adjustable EFI fuel pressure regulator with two AN-6 inlet ports and one AN-6 return port.

Features:

• High-Flow EFI Regulation: Delivers precise fuel pressure control for medium- to high-horsepower electronic fuel injection systems.
• Adjustable Pressure Range: Supports a 40-75 PSI base pressure range for flexible fuel system tuning.
• Boost-Referenced Operation: Provides 1:1 vacuum or boost reference capability to help maintain consistent fuel pressure under changing engine load.
• Broad Fuel Compatibility: Designed for use with gasoline, ethanol, methanol, and diesel fuel systems.

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1