GFB FX-D Adjustable Fuel Pressure Regulator, black regulator body with side fittings, angled view

Go Fast Bits FX-D Fuel Pressure Regulator -8AN Ports

Go Fast Bits SKU: GFB8070
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Details

BrandGo Fast Bits
SKUGFB8070
GTIN / UPC9328022002392
Manufacturer Part Number8070

Product Information

An adjustable EFI fuel pressure regulator with a 1:1 rise rate and -8AN O-ring boss fuel ports for very high fuel flow. A soft Teflon co-polymer seat with a stainless valve seals after shutdown to hold pressure for easier restarts, and the double-layer diaphragm has a burst strength above 500 psi. AN fittings are not included, so the fuel line fittings need to be ordered to suit the build.

Specifications

Type Adjustable EFI fuel pressure regulator, 1:1 rise rate
What's in the Box
  • FX-D fuel pressure regulator
  • 1/16 in NPT 4 mm hose barb
  • 2 x 1/8 in NPT blanking plugs
  • -8AN (3/4 in UNF) blanking plug
  • Mounting bracket and 2 x M4 x 10 screws
Inlet / Outlet 2 x -8AN ORB inlet, 1 x -8AN ORB return, 2 x 1/8 in NPT gauge or sensor ports
Pressure Range 25-80 psi static, adjustable
Capacity Up to 1800 L/h at 25 psi; rated for 2000+ hp
Fuel Compatibility Unleaded gasoline, ethanol, methanol, diesel
Warranty Limited lifetime (requires product registration)

Documents: Installation Instructions (PDF)

Which fittings do the fuel ports need?

  • The three fuel ports take -8AN O-ring boss (ORB) fittings only, which seal on their o-rings without thread sealant.

Can it run a gauge and an ECU sensor at once?

  • Yes. The two 1/8 in NPT ports can carry a mechanical gauge and an ECU pressure sensor at the same time. A gauge is not included.

Is a vacuum hose needed?

  • Yes. A hose of about 4 mm (5/32 in) inside diameter from the intake manifold to the barb on top of the regulator gives the 1:1 rise with boost; the hose is not included. Tuning may be needed afterwards to keep correct air/fuel ratios across the rpm range.

Can the regulator be serviced?

  • Yes. It is completely serviceable, and the soft co-polymer valve seat is replaceable.

Shipping

  • In stock orders typically ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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