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Tomei Fuel Pressure Regulator - Type S (Standard Diaphragm)

Manufacturer: Tomei
Product # {{ productPartNumber }}
In stock
Fast Lane Two Day Shipping

$ 120 00
$ 108 00
10% off

Manufacturer: Tomei
Product # {{ productPartNumber }}
In stock
Fast Lane Two Day Shipping
Product not eligible for promotional or discount codes.

Customer Questions

Question:

is there any way to determine if i need a large diaphragm or a standard - Anthony

Answer:

We recommend the large diaphragm version for high horsepower cars or those running ethanol which demand exceptionally high fuel volume.

Reviews

Rated 4/5 based on 1 customer reviews

Good product for quick and easy fuel pressure management. Installed on a Z32 following https://conceptzperformance.com/blog/defeating-the-stock-fuel-control-system/ setup. Only negative is that the pressure gauge can only be installed on the side of the regulator. This limits the installation options on the Z32 while still having good view of the gauge. Would recommend a regulator that takes a front mount gauge for Z32 platforms or purchasing a sensor.

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Options

$ 120 00
$ 108 00
10% off

Product not eligible for promotional or discount codes.

Description

The factory fuel pressure regulator (FPR) is great for stock to mild tuning, but is not capable of handling significantly increased fuel demands for high horsepower applications. Additionally, the ability to adjust the fuel pressure allows tuners to squeeze just a little more fuel flow out of your injectors, potentially increasing power potential.

The Tomei Fuel Pressure Regulator comes with four ports total:

  • Top: 4.5mm Vacuum signal
  • Bottom: 1/8 NPT Fuel outlet (to fuel tank)
  • Front: 1/8 NPT Fuel inlet (from fuel rails)
  • Side:1/8 BSPT fuel pressure sensor port (comes with plug installed).

Two types/sizes are available, depending on your application. Type S is recommended as a factory replacement and slightly increased fuel demands. Type L is recommended for very high HP applications and large fuel needs. Type L shown in our main photo above, type S shown below.

185001_1.jpg
185001_2.jpg



TYPE REGULATOR BODY SURFACE FINISH WEIGHT (w/ Bracket) DIAPHRAGM SIZE VACUUM HOSE NIPPLE INCLUDED FITTINGSM PRESSURE ADJUSTABILITY
S Aluminum Hard Anodized 155g ø33mm ø4.5mm AN6 - 1/8 NPT (x2)
8mm Barb - 1/8 NPT (x2)
2.0kgf/cm² ~ 8.0kgf/cm²
L 270g ø50mm

See how we installed one in a Z32 at our blog post here. We strongly recommend adding a fuel pressure gauge if you don't already have one. The Tomei Fuel Pressure gauge is available as an option above or from its own product listing here.

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Customer Questions

Question:

is there any way to determine if i need a large diaphragm or a standard - Anthony

Answer:

We recommend the large diaphragm version for high horsepower cars or those running ethanol which demand exceptionally high fuel volume.

Reviews

Rated 4/5 based on 1 customer reviews

Good product for quick and easy fuel pressure management. Installed on a Z32 following https://conceptzperformance.com/blog/defeating-the-stock-fuel-control-system/ setup. Only negative is that the pressure gauge can only be installed on the side of the regulator. This limits the installation options on the Z32 while still having good view of the gauge. Would recommend a regulator that takes a front mount gauge for Z32 platforms or purchasing a sensor.

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