Description

PLEASE SELECT THROTTLE CONFIGURATION WHEN ORDERING.

RK Autowerks X58 Coreless Manifold – Billet Port Injection

The RK X58 billet manifold is engineered in-house for high-boost and competition-level applications. Designed to support port injection and optimize airflow, this race-ready manifold offers strength, consistency, and flexibility for serious builds. Integrated fuel rail included. Injectors and port injection line kit required (not included).

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

• 4 additional x 1/8″ NPT secondary ports for meth/nitrous

• OEM oil filter access retained

• Compatible with factory gasket and hardware

What’s included:

• Billet manifold

• -8AN ORB fuel rail

• All necessary installation hardware

Compatible with the models below

Toyota Supra – A90/A91 (2020+)

BMW S58 Engines, Including:

• M2 – G87 (2021+)

• M3 – G80 (2020+)

• M4 – G82 / G83 (2020+)

• X3M / X4M – F97 / F98 (2019+)

BMW B58 Gen 2 Engines, Including:

• M340i / M440i – G20 / G22 (2019+)

• M240i – G42 (2021+)

• 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+)

BMW B58 Gen 1 Engines, Including:

• 340i 440i | F30 | 2015-2019 | Gen 1
• M240i | F22 | 2016+ | Gen 1
• X3 X4 M40i | G01 G02 | 2018-2019 | Gen 1
• 540i | G30 | 2017-2019 | Gen 1
• 740i | G12 | 2016-2019 | Gen 1

Installation & Support

• Direct bolt-on using OEM mounting locations

• Full clearance for factory service points

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.

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