FUELAB 565 Series Fuel Pressure Regulators have all of the same great features as our 515/525 Series except for extreme capacity. Utilizing a massive ½” return orifice and -10AN ports, this regulators hold no bounds. With the bypass capability over 5 GPM at 5 PSI, this new regulator can handle blow through carbureted applications well over 1800 H.P., and for EFI applications using belt driven fuel pumps; even further (with a flattened regulation slope). Regulator comes in four different pressure ranges covering applications between 4 and 80 PSI.

Sales Sheet


565 High flow fuel Pressure Fuel Pressure Regulators

Name56501 High Flow Fuel Pressure Regulator

Description-10AN Inlets / MAX FLOW 1/2" Seat / EFI (25-65 PSID)

Show Details56501 High Flow Fuel Pressure Regulator

Item-detailsFUELAB® 565 Series Fuel Pressure Regulators have all of the same great features as our 515/525 Series except for extreme capacity. Utilizing a massive ½” return orifice and -10AN ports, these regulators hold no bounds. With the bypass capability over 5 GPM at 5 PSI, this new regulator can handle blow through carbureted applications well over 1800 H.P., and for EFI applications using belt driven fuel pumps; even further (with a flattened regulation slope). Regulator comes in four different pressure ranges covering applications between 4 and 80

Regulator Features

  • Two -10AN inlet ports and one -10AN return port
  • 1.75" sized diaphragm with 1/2" return orifice
  • 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

56501-C -10AN Inlets / Standard Seat / EFI (25-65 PSID)

Product Instructions

Name56502 High Flow Fuel Pressure Regulator

Description-10AN Inlets / MAX FLOW 1/2" Seat / CARB (4-12 PSID)

Show Details56502 High Flow Fuel Pressure Regulator

Item-detailsFUELAB® 565 Series Fuel Pressure Regulators have all of the same great features as our 515/525 Series except for extreme capacity. Utilizing a massive ½” return orifice and -10AN ports, these regulators hold no bounds. With the bypass capability over 5 GPM at 5 PSI, this new regulator can handle blow through carbureted applications well over 1800 H.P., and for EFI applications using belt driven fuel pumps; even further (with a flattened regulation slope). Regulator comes in four different pressure ranges covering applications between 4 and 80 PSI.

Regulator Features

  • Two -10AN inlet ports and one -10AN return port
  • 1.75" sized diaphragm with 1/2" return orifice
  • 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

56502-C -10AN Inlets / Standard Seat / CARB (4-12 PSID)

Product Instructions

Name56503 High Flow Fuel Pressure Regulator

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

Show Details56503 High Flow Fuel Pressure Regulator

Item-detailsFUELAB® 565 Series Fuel Pressure Regulators have all of the same great features as our 515/525 Series except for extreme capacity. Utilizing a massive ½” return orifice and -10AN ports, these regulators hold no bounds. With the bypass capability over 5 GPM at 5 PSI, this new regulator can handle blow through carbureted applications well over 1800 H.P., and for EFI applications using belt driven fuel pumps; even further (with a flattened regulation slope). Regulator comes in four different pressure ranges covering applications between 4 and 80 PSI.

Regulator Features

  • Two -10AN inlet ports and one -10AN return port
  • 1.75" sized diaphragm with 1/2" return orifice
  • 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

56503-C -10AN Inlets / Standard Seat / TBI (10-25 PSID)

Product Instructions

Name56504 High Flow Fuel Pressure Regulator

Description-10AN Inlets / MAX FLOW 1/2" Seat / EFI (40-80 PSID)

Show Details56504 High Flow Fuel Pressure Regulator

Item-detailsFUELAB® 565 Series Fuel Pressure Regulators have all of the same great features as our 515/525 Series except for extreme capacity. Utilizing a massive ½” return orifice and -10AN ports, these regulators hold no bounds. With the bypass capability over 5 GPM at 5 PSI, this new regulator can handle blow through carbureted applications well over 1800 H.P., and for EFI applications using belt driven fuel pumps; even further (with a flattened regulation slope). Regulator comes in four different pressure ranges covering applications between 4 and 80 PSI.

Regulator Features

  • Two -10AN inlet ports and one -10AN return port
  • 1.75” sized diaphragm with 1/2” return orifice
  • 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

56504-C -10AN Inlets / Standard Seat / EFI (40-80 PSID)

Product Instructions

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