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Fore F1i Fuel Pressure Regulator 3 port -8 Injector Dynamics ID1050X Injectors
Fore F1i Fuel Pressure Regulator 3 port -8
Suggested Retail Price: $175.00
Injector Dynamics ID1050X Injectors
Suggested Retail Price: $1,040.00
One of the best fuel pressure regulators on the market, precised pressure control over the entire RPM range. Recommended for the most precise tuning when you have a return fuel system. Does not include fittings.

  • Dual Pressure PortsStainless steel valve
  • Two Year Warranty - Compatible with all fuel types
  • Hydrodynamic internal cavity suitable for passthrough regulation
  • Zero chatter design for maximum life expectancy and maintained accuracy
  • FKM/Nomex composite diaphragm, for longest life in any fuel type
  • Fine Pitch adjustment screw for precise setting of fuel pressure
  • Reversible stainless steel mounting bracket included (not shown in pictures)

Universal, any vehicle with a return style fuel system

  • Inlet Ports: two #8 o-ring
  • Return Port: #8 o-ring
  • Auxillary Port: 1/8 NPT (plug included)
  • Boost/Vacuum Reference Port: 1/8 NPT (1/4" barb fitting included)
  • Base Pressure range: 25-70 psi
  • Boost Limit: 250 psi

How is the F1i improved over the F1 regulator?

  • Full stainless steel valve (F1 had stainless/aluminum valve)
  • Improved valve geometry for even higher accuracy

What are the key differences and similarities between the F1i and F2i?

  • F1i and F2i have exact same valve geometry and performance specifications
  • F2i has a ceramic/stainless valve, F1i has stainless/stainless valve
NEW! Injector Dynamics ID1050X now available! Sold as a set of 8.

The ID1050x is the evolution of the ID1000, and the latest addition to the X-Series. It is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport, and is the result of lessons learned during development of the ID1300x, and ID1700x.

Like the ID1300x and ID1700x, the ID1050x is not a modified production component. It is a built to spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner.

Compared to the original ID1000, the ID1050x offers numerous improvements, and is sure to become the new reference.

  • Corrosion resistant internals make it compatible with all known fuels, capable of extended service life with corrosive fuels.
  • Compact body allows fitment in 200+ applications, including current and future engines utilizing short body injectors.
  • Improved internal flow path increases output by 5% without sacrificing low flow performance.
  • Stronger magnetic circuit offers stable operation up to 10 bar.
  • Replaceable inlet filter extends service life.

To learn more about the nature and development of the X-Series injectors, follow this link.

Basic Specifications

Nominal Flow Rate – 1065cc/min @ 3.0 Bar (43.5 psi) Using Gasoline at 52 Degrees C (125 Degrees F)
Maximum Differential Fuel Pressure – 10.0 Bar (145.0 psi)
Fuel Compatibility – Compatible With All Known Fuels
Electrical Connector – USCAR