Home / Shop / Fuelab 555 High Pressure Adjustable FPR Blocking 25-65 PSI (1) -8AN In (2) -8AN Out - Black

Fuelab 555 High Pressure Adjustable FPR Blocking 25-65 PSI (1) -8AN In (2) -8AN Out - Black

SKU: FLB55504-1

Fuel Pressure Regulators

FLB 555 Carbureted FPR...

Fuelab

Fuelab 555 High Pressure Adjustable FPR Blocking 25-65 PSI (1) -8AN In (2) -8AN Out - Black

SKU: FLB55504-1

Fuel Pressure Regulators

FLB 555 Carbureted FPR...

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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Description

FUELAB 555 Series fuel pressure regulators are true precision instruments designed to regulate fuel. They feature an advanced poppet design for smooth regulating capability and have a no-creep soft seat that is methanol and E85 compatible. These regulators are made from billet aluminum and are anodized for maximum protection. The 555 Series also includes a versatile mounting bracket with stainless steel hardware and 1/8 in. NPT gauge port with plug for external fuel pressure gauge.

Application Summary

Universal

Part Type

Fuel Injection Pressure Regulator O-Ring

Data: v4.2 - Upd: 2026-10-15 02:11:36

Specifications

Product Attributes - Brand: FUELAB
Product Attributes - Manufacturer's Part Number: 55504-1
Product Attributes - Part Type: Fuel Pressure Regulators
Product Attributes - Product Line: FUELAB 555 Series Fuel Pressure Regulators
Product Attributes - UPC: 845096014605
Product Attributes - Regulator Pressure (psi): 25-65
Product Attributes - Regulator Style: Non-return
Product Attributes - Regulator Location: Inline
Product Attributes - Boost/Vacuum Reference Port: Yes
Product Attributes - Gauge Port: Yes
Product Attributes - Inlet Quantity: 1
Product Attributes - Regulator Inlet Size: -8 AN
Product Attributes - Inlet Attachment: Female straight cut O-ring
Product Attributes - Outlet Quantity: 2
Product Attributes - Regulator Outlet Size: -8 AN
Product Attributes - Outlet Attachment: Female straight cut O-ring
Product Attributes - Fittings Included: No
Product Attributes - Regulator Material: Aluminum
Product Attributes - Regulator Color: Black
Product Attributes - Rebuildable: Yes
Product Attributes - Mounting Bracket Included: Yes
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.

Reference Information

Brand Name/s	Fuelab
StreetFX SKU	flb55504-1
SFX Item ID	4221542
Supplier Item Code	4221542
Manufacturer SKU	55504-1
Manufacturer UPC	845096014605
Alternative References	FUE-55504-1, -8AN