RK AUTOWERKS RACE MANIFOLD (GEN2 B58) – BILLET PORT INJECTION

This billet race manifold is designed in-house for high-performance Gen 2 B58 applications. It includes an integrated -8AN ORB fuel rail and supports full port injection. Injectors and a port injection line kit are required and not included.

FOR INJECTORS & PORT INJECTION FUEL LINE KIT:

• ADD RVNG Port Injection Full Fuel Line (S58 / GEN2 B58)

KEY FEATURES:

• CNC-machined from 6061 billet aluminum
• Integrated -8AN ORB fuel rail (included)
• Supports Bosch EV14K (Shorty) injectors
• 6 x 1/8″ NPT secondary ports for meth/nitrous
• 3 x 1/8″ NPT auxiliary ports for boost reference or sensors
• OEM oil filter remains accessible
• Available in raw aluminum

DESIGNED FOR BMW S58 ENGINES, INCLUDING:

• M340i / M440i – G20 / G22 (2019+)
• M240i – G42 (2021+)
• Toyota Supra – A90/A91 (2020+)
• Z4 M40i – G29 (2018+)
• X3 M40i / X4 M40i – G01 / G02 (2019+)
• 540i – G30 / G31 (2020+)
• 740i – G12 (2020+)
• 840i – G14 / G15 / G16 (2020+)
• X5 / X6 / X7 40i – G05 / G06 / G07 (2018+)

INSTALLATION & SUPPORT

• Direct bolt-on fitment using factory mounting points
• Compatible with OEM gaskets and hardware
• Full access to the oil filter retained
• Please note that if you are not using port injection, you will need to purchase blanks. Precision Raceworks sells the blanks very cheap.

WHY CHOOSE RK

Each RK billet manifold is designed, machined, and assembled in-house in Fort Worth, TX. Trusted on high-horsepower builds, our manifolds are made with precision and durability in mind—no outsourcing, no compromises. Built for performance, proven on record-setting cars.

We keep RK Autowerks Intake Manifold in stock, but quantities may be limited. Please contact us to confirm availability before purchase if needed.