Fuelab 555 Series Blocking Fuel Pressure Regulator -8AN 25-65 PSI - Blue
⚠ Call for Availability
This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$239.00
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
Fuelab 555 Series Blocking Fuel Pressure Regulator -8AN 25-65 PSI in Blue (flb55504-3). This 555 Series regulator is a true blocking regulator, meaning it meters pressure without a return line. The advanced poppet and no-creep soft seat make it well suited to single and multi-stage nitrous plumbing. Adjustable from 25 to 65 PSI through a -8AN inlet and dual -8AN outlets.
Key Features
- Blocking style (non-bypass) regulation, no return line required
- Advanced aerospace poppet design for smooth regulating capability
- No-creep soft seat compatible with methanol and E85
- One -8AN inlet and two -8AN outlets, large seat
- Adjustable from 25 to 65 PSI
- 1/8 in NPT breather vent
- Machined from 6061-T6 billet aluminum, hand assembled and serialized
- Anodized per military spec MIL-A-8625, Type II
- Gasoline, diesel, methanol and ethanol compatible
- Fine thread pitch for precise pressure adjustment
- 1/8 in NPT gauge port with plug for an external pressure gauge
Fitment
Universal application. This is a universal fuel pressure regulator and is not specific to a vehicle year, make or model. Select by port size, seat size and pressure range to suit your fuel system.
Product Details
- Brand: Fuelab
- Series: 555 Series Carbureted Blocking Regulator
- Inlet Port: -8AN
- Outlet Ports: Two -8AN
- Seat: Large Seat
- Pressure Range: 25-65 PSI
- Finish: Blue anodized
- Bracket Kit: 14504
- Diaphragm/O-Ring Kit: 14604
- Warranty: Fuelab limited lifetime warranty
Shipping Height: 3.0
Shipping Length: 5.0
Shipping Width: 4.8