




Radium Engineering Side Feed Conversion Fuel Rail for Toyota 1JZ-GTE non-VVTi
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Description
Radium Side Feed Conversion Fuel Rail - Toyota 1JZ-GTE non-VVTi
Application: Toyota 1JZ-GTE – non VVT-i only
Part Type: Top feed conversion fuel rail (converts OEM side feed to top feed)
Part Number: 20-0235
This Radium fuel rail converts the OEM side feed injector arrangement on the non VVT-i Toyota 1JZ-GTE to top feed, allowing high-flow top feed injectors to be used.
Manufactured with a large 0.69in (17.5mm) internal bore, the rail is CNC machined from 6063 aluminium, media blasted, black anodised and laser etched, and is compatible with all fuel types including E85. Green anodised injector seats suit 14mm O-rings, and the anodised mounting feet reuse the OEM Toyota thermal insulating spacers.
Key Features
- Side to Top Feed Conversion: Run high-flow top feed injectors on the 1JZ-GTE
- 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
- OEM Thermal Spacers: Mounting feet reuse the factory insulating spacers
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 (with O-rings)
Optional Parts
- Radium 14-0285 8AN ORB to M12x1.25mm Female Fitting (14-0285) – required to reuse the OEM fuel pressure regulator
Important Notes
- Suits non VVT-i 1JZ-GTE engines only – not compatible with VVT-i 1JZ-GTE
- 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)
- 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 1JZ-GTE non VVT-i engines
- Toyota Supra MKIII – 1JZ-GTE
- Toyota Soarer – 1JZ-GTE (non VVT-i)
- Toyota Chaser / Cresta / Mark II – 1JZ-GTE (non VVT-i only)
- Excludes all VVT-i 1JZ-GTE engines
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.

