Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Vehicle fitment
This part is listed to fit the following vehicles.
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
Radium Intake Manifold Gasket — Toyota GR Supra A90/A91 (2019+) / BMW Z4 G29 (2018+)
These Radium Engineering gaskets press into the intake manifold ports and seal to the cylinder head. Designed for B58TU-equipped vehicles, they are used in the Radium Port Injection Kit for the Toyota GR Supra A90/A91 and BMW Z4 G29 platforms, providing a reliable OEM-quality seal for port injection fuel system installations.
Note: 18-0085 includes one (1) gasket only. Multiple gaskets are required for a full installation — refer to your Radium Port Injection Kit instructions for the required quantity.
Compatibility Note: Compatible with 2nd generation B58TU engines (B58B30O1 / B58B30B and B58B30M1 / B58B30C). NOT compatible with the 1st generation B58B30M0 (B58B30A) engine.
Suits:
- Toyota GR Supra A90 / A91 (2019+) — B58TU
- BMW Z4 G29 (2018+) — B58TU
Available Part Numbers:
- 18-0085 — Intake Manifold Gasket, Single — Toyota Supra A90/A91 / BMW Z4 G29 B58TU
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ Precision-engineered for direct press-fit into B58TU intake manifold ports
- ✅ Trusted by tuners and race teams running high-power Supra and Z4 builds worldwide
- ✅ OEM-quality sealing — no cutting, drilling, or fabrication required
- ✅ Designed for seamless integration with the Radium Port Injection Kit
Specifications
- Part Number
- 18-0085
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.