FUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Sales Sheet


515 Series Fuel Pressure Regul Fuel Pressure Regulators

Name51501 Fuel Pressure Regulator

Description-10AN Inlets / Standard Seat / EFI (25-90 PSID)

Show Details51501 Fuel Pressure Regulator

Item-detailsFUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Regulator Features

  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty

51501-C -10AN Inlets / Standard Seat / EFI (25-90 PSID)

Product Instructions

Name51502 Fuel Pressure Regulator

Description-6AN Inlets / Standard Seat / EFI (25-90 PSID)

Show Details51502 Fuel Pressure Regulator

Item-detailsFUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Regulator Features

  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty

51502-C -6AN Inlets / Standard Seat / EFI (25-90 PSID)

Product Instructions

Name51503 Fuel Pressure Regulator

Description-10AN Inlet/Outlet / Large Seat / Carbureted (4-12 PSID)

Show Details51503 Fuel Pressure Regulator

Item-detailsFUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Regulator Features

  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty

51503-C -10AN Inlet/Outlet / Large Seat / Carbureted (4-12 PSID)

Product Instructions

Name51504 Fuel Pressure Regulator

Description-6AN Inlet/Outlet / Large Seat / Carbureted (4-12 PSID)

Show Details51504 Fuel Pressure Regulator

Item-detailsFUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Regulator Features

  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty

51504-C -6AN Inlet/Outlet / Large Seat / Carbureted (4-12 PSID)

Product Instructions

Name51505 Fuel Pressure Regulator

Description-10AN Inlet Ports / Select Seat / Select Pressure

Show Details51505 Fuel Pressure Regulator

Item-detailsFUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Regulator Features

  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty

51505-C-S-P -10AN Inlet Ports / Select Seat / Select Pressure

Name51506 Fuel Pressure Regulator

Description-6AN Inlet Ports / Select Seat / Select Pressure

Show Details51506 Fuel Pressure Regulator

Item-detailsFUELAB® 515 Series Fuel Pressure Regulators are designed with performance and flexibility in mind. They accept port style and non-port style union fittings without interference. Several configurations are available, supporting carbureted applications as low as 1 PSID to fuel injected applications up to 125 PSID. The 515 Series Fuel Pressure Regulator has a -6AN return port located on the bottom.

Regulator Features

  • Two -6AN or -10AN inlet ports and one -6AN return port
  • Gasoline, diesel, methanol, and ethanol fuel compatible
  • Billet Aluminum with anodize per military MIL-A-8625, Type II
  • Fine thread pitch for precise pressure adjustment
  • Versatile mounting bracket and stainless steel hardware
  • 1/8” NPT gauge port with plug for external pressure gauge
  • 1/8” NPT pressure reference port with barbed fitting
  • Backed by a 2-year limited warranty

51506-C-S-P -6AN Inlet Ports / Select Seat / Select Pressure

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