


Radium Engineering Fuel Rail for VW/Audi EA888 Port Injection
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Description
Radium Engineering Fuel Rail - VW/Audi EA888 Port Injection
Application: VW/Audi/Porsche EA888 with factory port injection (European vehicles only)
Part Type: Port injection fuel rail (upgrade rail)
Part Number: 20-0889
The Radium EA888 port injection fuel rail has a large 0.7in (17.8mm) internal bore to support the engine's fuel requirements. It is an upgrade rail that keeps the OEM injectors, fits under the factory engine cover and needs no special tools to install.
Two end ports tapped 8AN ORB, an upper centre 1/8" NPT port and a lower centre 6AN ORB port allow it to be plumbed with the 20-0889-PK kit for a bolt-on connection to the OEM fuel line, or converted to a pressure-regulated return system.
Key Features
- Large Bore: 17.8mm (0.7in) internal bore
- Ports: 2 x 8AN ORB end ports, 1/8" NPT upper centre port, 6AN ORB lower centre port
- Return Capable: Can be converted to a pressure-regulated return system
- Fits Under Cover: Fits under the factory engine cover
- Construction: Lightweight anodised aluminium for wear and corrosion resistance
- Easy Install: No special tools required
What's Included
- EA888 port injection fuel rail
- Stainless steel M6x1mm screws
Optional Parts
- Radium Engineering Fuel Rail Plumbing - VW/Audi EA888 Port Injection (20-0889-PK) – adapter fittings and plugs for a bolt-on connection to the OEM fuel line
Important Notes
- Directly compatible with European vehicles ONLY – North American vehicles did not receive factory port injection
- This is an upgrade rail: OEM or OEM-equivalent injectors must be used (matching OEM height and upper/lower O-ring diameters and styles)
- Radium does not make injector recommendations – consult your tuner for brand/flow rate
- Plumbing kit 20-0889-PK sold separately
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Audi TT 2016+
- Audi S3 2014+
- Audi A3 2015+
- Audi A4 2016+
- Audi A5 2018+
- Audi A6 2016+
- Porsche Macan 2014+
- Volkswagen Arteon 2019+
- Volkswagen Atlas 2018+
- Volkswagen Golf 2015+
- Volkswagen Jetta 2014+
- Volkswagen Passat 2016-2017
- Volkswagen Beetle 2014-2017
- European-market (port injected) vehicles only
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.

