Manufacturers

Non-Adjustable Regulators

Fuel pressure adjustments allow a tuner to change the amount of fuel delivered per unit time from the injector. Any changes affect the fuel curve globally, so re-mapping the ECU's software is critical whenever pressure is turned up or down. Please consult with one of our staff with any questions. It is critical that your combination of injector and fuel pressure is optimal for the amount of power that you care to produce.

For those who wish to calculate mass flow themselves, we offer the following formula:

F2 = (√P2/√P1) x F1

F2 = New flow rate (lbs/hour or cc/min)
F1 = Old flow rate (lbs/hr or cc/min)

P2 = New Pressure
P1 = Old Pressure

Example: We have an injector rated to flow 315cc/min at 43.5 psi (3bar). That combination does not flow enough fuel to reach our desired output. So, we wish to determine how much will it flow at 58psi (4bar):

F2 = (√58 / √43.5) x 315
F2 = (7.616 / 6.596) x 315
F2 = 364cc/min

Gauge Adapter

Gauge Adapter

T-fitting allows gauge fitment to stock fuel lines.
$9.00
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Quick Release Factory Fuel Line to -6AN Male Adapter

Quick Release Factory Fuel Line to -6AN Male Adapter

Make installation of -6AN lines to your factory hard lines a simple task. This innovative two-piece fitting clips together on the VW/Audi...
$20.00
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BBM Fuel Rail Fitting Kit (Digifant)

BBM Fuel Rail Fitting Kit (Digifant)

Complete fitting kit to mate BBM 8V Digifant fuel rail (or any other -6AN rail) with BBM G60 FPR adaptor. Kit includes: 1) XRP -6AN male flare...
$29.00
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Fuel Pressure Gauge

Fuel Pressure Gauge

Highly accurate pressure gauge for engine bay placement. Liquid-filled to dampen vibration from the engine. Use T-fitting (not included) to install...
$30.00
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3.0bar Fuel Pressure Regulator

3.0bar Fuel Pressure Regulator

The most economical way to get custom fuel flows is with a drop-in fuel pressure regulator. Sum of boost pressure + fpr should never exceed 6bar. Use...
$39.00
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3.5bar Fuel Pressure Regulator

3.5bar Fuel Pressure Regulator

Raises fuel flow 8% over 3bar. The most economical way to get custom fuel flows is with a drop-in fuel pressure regulator. Sum of boost pressure +...
$39.00
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4.0bar Fuel Pressure Regulator

4.0bar Fuel Pressure Regulator

Stock fpr in many VW/Audi engines. Raises fuel flow 15.5% over 3bar. The most economical way to get custom fuel flows is with a drop-in fuel pressure...
$39.00
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4.5bar Fuel Pressure Regulator

4.5bar Fuel Pressure Regulator

Raises fuel flow 22.5% over 3bar. The most economical way to get custom fuel flows is with a drop-in fuel pressure regulator. On older design...
$39.00
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BBM Fuel Rail Fitting Kit (MK3 & MK4)

BBM Fuel Rail Fitting Kit (MK3 & MK4)

Complete fitting kit for -6AN fuel rail and BBM FPR adapter. Use with BBM MK3 and MK4 fuel rails. Works with fuel pressure regulator adapter part #...
$45.00
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G60 FPR Adaptor

G60 FPR Adaptor

Connect a factory G60/Digifant fuel pressure regulator to your high-flow fuel rail the right way with no leaks. Features -6AN threads with an o-ring...
$45.00
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