Go Fast Bits FX-S Bosch Fuel Pressure Regulator — Adjustable Performance

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SKU: GFB8051
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Sale price$220.99 Regular price$255.50
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optimize Fuel Delivery with GFB FX-S

When you upgrade your fuel pump for increased performance, the factory fuel pressure regulator often becomes a bottleneck, causing excessive pressure at idle and poor flow at high RPM. The Go Fast Bits (GFB) FX-S Bosch Fuel Pressure Regulator is the ultimate solution for high-performance builds, including E85 turbo setups that demand consistent, high-volume fuel delivery.

Why Choose the FX-S Regulator?

  • Adjustable Pressure: Unlike fixed-pressure factory units, the FX-S allows you to dial in your fuel pressure for precise tuning.
  • High-Flow Capacity: Designed to support larger fuel pumps without overwhelming the factory fuel rail.
  • Easy Installation: A direct clip-in replacement for standard Bosch-style regulators, saving you the cost and complexity of aftermarket fuel rails.
  • Reliability: Built to withstand the harsh conditions of high-performance fuel systems.

Don't let a restrictive regulator limit your engine's potential. The FX-S provides the flexibility needed to support your fuel system upgrades, ensuring your engine receives the correct amount of fuel under all conditions. Whether you are running a street-tuned daily driver or a dedicated track machine, this regulator is an essential component for maintaining a healthy and efficient fuel delivery system. Find your next performance upgrade at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optimize Fuel Delivery with GFB FX-S

When you upgrade your fuel pump for increased performance, the factory fuel pressure regulator often becomes a bottleneck, causing excessive pressure at idle and poor flow at high RPM. The Go Fast Bits (GFB) FX-S Bosch Fuel Pressure Regulator is the ultimate solution for high-performance builds, including E85 turbo setups that demand consistent, high-volume fuel delivery.

Why Choose the FX-S Regulator?

  • Adjustable Pressure: Unlike fixed-pressure factory units, the FX-S allows you to dial in your fuel pressure for precise tuning.
  • High-Flow Capacity: Designed to support larger fuel pumps without overwhelming the factory fuel rail.
  • Easy Installation: A direct clip-in replacement for standard Bosch-style regulators, saving you the cost and complexity of aftermarket fuel rails.
  • Reliability: Built to withstand the harsh conditions of high-performance fuel systems.

Don't let a restrictive regulator limit your engine's potential. The FX-S provides the flexibility needed to support your fuel system upgrades, ensuring your engine receives the correct amount of fuel under all conditions. Whether you are running a street-tuned daily driver or a dedicated track machine, this regulator is an essential component for maintaining a healthy and efficient fuel delivery system. Find your next performance upgrade at GGCRACING.

Product Details

Product Description

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optimize Fuel Delivery with GFB FX-S

When you upgrade your fuel pump for increased performance, the factory fuel pressure regulator often becomes a bottleneck, causing excessive pressure at idle and poor flow at high RPM. The Go Fast Bits (GFB) FX-S Bosch Fuel Pressure Regulator is the ultimate solution for high-performance builds, including E85 turbo setups that demand consistent, high-volume fuel delivery.

Why Choose the FX-S Regulator?

  • Adjustable Pressure: Unlike fixed-pressure factory units, the FX-S allows you to dial in your fuel pressure for precise tuning.
  • High-Flow Capacity: Designed to support larger fuel pumps without overwhelming the factory fuel rail.
  • Easy Installation: A direct clip-in replacement for standard Bosch-style regulators, saving you the cost and complexity of aftermarket fuel rails.
  • Reliability: Built to withstand the harsh conditions of high-performance fuel systems.

Don't let a restrictive regulator limit your engine's potential. The FX-S provides the flexibility needed to support your fuel system upgrades, ensuring your engine receives the correct amount of fuel under all conditions. Whether you are running a street-tuned daily driver or a dedicated track machine, this regulator is an essential component for maintaining a healthy and efficient fuel delivery system. Find your next performance upgrade at GGCRACING.

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