Radium Engineering Fuel Rail for Mazda MX-5 1994-2005

Radium Fuel Rail, 94-05 Mazda MX-5

Application: Mazda MX-5 NA 1994-1997, NB 1998-2005 and Eunos Roadster 1994-1996 (1.8L BP)
Part Type: Upgrade fuel rail
Part Number: 20-0369

The Radium MX-5 fuel rail is a direct replacement for the OEM rail on the 1.8L BP engine. It is CNC machined from extruded 6063 aluminium, black anodised and laser etched, and is compatible with all fuel types including E85.

The rail reuses the OEM plastic spacers, with washers included to insulate it from the aluminium intake manifold. Three ports are tapped for 8AN ORB fittings, with the auxiliary top port available for a pressure gauge or pulse damper, or it can be plugged. Radium plumbing kits are available for plug-and-play installation with the OEM fuel system.

Key Features

• Direct Replacement: Drop-in replacement for the OEM fuel rail
• 8AN ORB Ports: Three ports including an auxiliary top port for accessories
• Machined Construction: CNC machined extruded 6063 aluminium
• Finish: Black anodised and laser etched
• Thermal Insulation: Reuses OEM plastic spacers with insulating washers
• Fuel Compatibility: Compatible with all fuel types including E85

What's Included

• Anodised aluminium fuel rail
• Stainless steel mounting hardware

Optional Parts

• Radium Fuel Rail Plumbing Kit - Mazda MX-5 NA 94-98 (20-0422) – NA kit that retains the OEM fuel pressure regulator and replaces the feed and return hoses
• Radium Fuel Rail Plumbing Kit - Mazda MX-5 NB 98-05 (20-0423) – NB kit that retains the OEM pulse damper and feed hose

Important Notes

• This is an upgrade rail – OEM or OEM-equivalent injectors must be used, matching the OEM height and O-ring diameters and styles
• Radium does not make injector recommendations
• On NB models using the 20-0423 kit, the EGR (if equipped) must be removed for the OEM pulse damper to fit
• Fittings must be selected for your application – allow clearance around the ports for regulators, gauges and pulse dampers
• Installation instructions are available in the Instructions tab

Vehicle Fitment

• Mazda MX-5 NA (1994-1997) – 1.8L BP
• Mazda MX-5 NB (1998-2005) – 1.8L BP
• Eunos Roadster (1994-1996) – 1.8L BP

If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.

Installation

We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.

Note

Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.