Radium Engineering Top Feed Fuel Rail Kit - Nissan RB25DET

Radium Engineering top-feed conversion fuel rail kit for the Nissan RB25DET. Extruded and CNC-machined from solid 6063 aluminum and black-anodized, with a large 0.69in bore and four 8AN ORB ports for inlet, outlet or accessories. Converts the OEM side-feed setup to top-feed for high-flow 14mm O-ring injectors. Compatible with E85.

Specifications

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