Radium Engineering Port Injection Kit – MK5 Supra A90/A91

The Radium Engineering Port Injection Kit (PIK) installs between the intake manifold and cylinder head to support the additional fuel demands of highly modified B58TU engines. This system adds port injectors without affecting the factory direct injection setup.

Vehicle Compatibility:

• 2020+ Toyota GR Supra (A90/A91)

• 2018+ BMW Z4 (G29)

Engine Compatibility:

• B58B30O1 (B58B30B)

• B58B30M1 (B58B30C)
  Not compatible with the 1st gen B58B30M0 (B58B30A)

Key Features:

• Installs as a spacer between the intake manifold and cylinder head

• Designed for top-feed fuel injectors with 14mm upper/lower O-rings

• CNC-machined billet aluminum adapter plate and fuel rail

• Injector angle optimized for spray alignment and clearance

• Can be used as a spacer only by plugging the rail ports (2x 8AN ORB)

• Compatible with all fuel types, including E85 and methanol

• Vanity cover relocation adapters included for clean OEM fitment

Fuel Injector Compatibility:
Designed for 34mm length injectors with 14mm top and bottom O-rings. Examples include:

• Injector Dynamics ID1050-XDS-34-14-14

• ID1300-XDS-34-14-14

• ID1700-XDS-34-14-14

• ID2600-XDS-34-14-14

Notes:

1. Fuel injectors, wiring, fittings, hose, injector controller, charge pipe, and other components are not included.

2. Use Radium P/N: 20-0753-PK for a plug-and-play fuel plumbing solution.

3. The intake manifold is spaced outward—aftermarket charge pipe required.

4. Ensure sufficient clearance for any large fuel rail accessories such as regulators or pulse dampers.

5. For a complete, independently regulated fuel system, see Radium 20-0760 fuel pump hanger.