



Radium Engineering Fuel Rail Kit for Toyota 1UZ-FE Non VVT-i
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Description
Radium Engineering Fuel Rail Kit - Toyota 1UZ-FE Non VVT-i
Application: Toyota / Lexus 1UZ-FE 4.0L V8 (Non VVT-i)
Part Type: Fuel rails (upgrade rails)
Part Number: 20-0961
Radium Engineering fuel rails for the Toyota 1UZ-FE (4.0L V8) Non VVT-i engine, as fitted to the Lexus LS400 and SC400, Toyota Celsior, Soarer, Crown and Aristo. With large 0.7in internal bores the rails can support all necessary engine power requirements, and each rail is tapped with three 8AN ORB ports for flexible fuel system plumbing.
These are upgrade rails, so OEM or OEM-equivalent injectors are used. The rails reuse the factory thermal insulating spacers and install with no special tools.
Key Features
- Large Bore: 0.7in internal bore diameter supports all necessary engine power requirements
- 8AN ORB Ports: Three 8AN ORB (3/4"-16) ports tapped into each rail
- Anodised Finish: Anodised surface finish for wear and corrosion resistance
- Lightweight: Aluminium construction
- Reuses OEM Spacers: Factory thermal insulating spacers are reused
- Simple Installation: No special tools required
Important Notes
- Upgrade rails – OEM or OEM-equivalent injectors must be used; equivalents must match the OEM injector height and upper/lower O-ring diameters and styles
- Radium does not make injector recommendations – consult your tuner for brand and flow rate, and the injector manufacturer for a dimensionally correct part number
- Non VVT-i 1UZ-FE only – VVT-i engines use a separate Radium rail (20-0963)
- Adapter fittings are not included and must be selected to suit your application
- Allow ample clearance around the ports for larger accessories such as fuel pressure regulators, gauges and pulse dampers
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- 1989–1996 Lexus LS400
- 1989–1996 Toyota Celsior
- 1989–1996 Toyota Crown
- 1989–1997 Toyota Crown Majesta
- 1989–1997 Toyota HiAce HiMedic Ambulance
- 1991–1997 Lexus SC400
- 1991–1997 Toyota Soarer
- 1992–1997 Toyota Aristo
- 1995–1997 SARD MC8 / MC8-R
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.

