



Radium Engineering Top Feed Conversion Fuel Rail for Toyota Supra JZA80 2JZ-GTE
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Description
Radium Top Feed Conversion Fuel Rail - Toyota Supra JZA80 2JZ-GTE
Application: Toyota 2JZ-GTE (VVT-i and non VVT-i) with OEM intake manifold
Part Type: Top feed conversion fuel rail
Part Number: 20-0215
This Radium fuel rail converts the Toyota 2JZ-GTE to top feed injectors while retaining the OEM intake manifold, and suits engines with and without VVT-i.
Manufactured with a large 0.69in (17.5mm) internal bore, the rail is CNC machined from custom 6063 aluminium, media blasted, black anodised and laser etched, and is compatible with all fuel types including alcohol blends such as E85. Tall and short mounting feet are supplied to suit 48mm or 34mm injectors.
Key Features
- Top Feed Conversion: Run top feed injectors on the OEM 2JZ-GTE intake manifold
- Large Bore: 0.69in (17.5mm) internal bore
- 8AN ORB Ports: Rail ports tapped 8AN ORB
- Tall & Short Feet: Suit 48mm or 34mm injectors with 14mm upper and lower O-rings
- Injector Seats: Green anodised aluminium injector seats included
- Fuel Compatibility: All fuel types including E85
What's Included
- 1x Black anodised, laser-etched aluminium fuel rail
- 2 sets of black anodised aluminium mounting feet (tall and short)
- Stainless steel mounting feet bolts
- Green anodised aluminium injector seats
Optional Parts
- Radium FPR Adaptor 8AN ORB, 11mm Bore, 39mm Spacing, M6 (20-0301) – to reuse the OEM fuel pressure regulator
- Radium 14-0285 8AN ORB to M12x1.25mm Female Fitting (14-0285) – to reuse the factory feed line with the OEM banjo bolt on the rear port
Important Notes
- Fuel injectors are not included
- Use the tall feet with 48mm injectors or the short feet with 34mm injectors – both with 14mm upper and lower O-rings
- Injector Dynamics examples – tall feet (48mm): ID1050-XDS (1050.48.14.14), ID1300-XDS (1300.48.14.14), ID1700-XDS (1700.48.14.14), ID2600-XDS (2600.48.14.14); short feet (34mm): ID1050-XDS (1050.34.14.14), ID1300-XDS (1300.34.14.14), ID1700-XDS (1700.34.14.14), ID2600-XDS (2600.34.14.14)
- With tall spacers on the front port, the traction control TPS sensor must be modified
- If mounting fittings on the rear port, check firewall clearance
- Fittings are not included – select fittings to suit your application and allow space around the ports for regulators, gauges and pulse dampers
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Toyota 2JZ-GTE with OEM intake manifold – VVT-i and non VVT-i
- Toyota Supra MKIV (JZA80) – 2JZ-GTE
- Toyota Aristo – 2JZ-GTE
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.

