AEM High Capacity Universal Black Adjustable Fuel Pressure Regulator

AEM High Capacity universal billet adjustable fuel pressure regulator (PN 25-305BK), CNC-machined from 6061-T6 aluminum with a black anodized finish. A longer spring gives a 40-130 PSI adjustment range and a single large return orifice handles high-flow pumps, with a 1:1 boost-rising rate for boosted builds. Alcohol- and race-fuel compatible; two -6AN inlets, one -6AN return (9/2016-2018 ORB) and a 1/8in NPT gauge port.

Specifications

Documents: Installation Instructions (PDF)

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• 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-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy