RK Autowerks S58 Race Manifold – Billet Port Injection

DescriptionRK Autowerks S58 Race Manifold – Billet Port InjectionThe RK S58 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 aluminumIntegrated -8AN ORB fuel rail (included)Supports Bosch EV14K (Shorty) injectors6 x 1/8″ NPT secondary ports for meth/nitrous3 x 1/8″ NPT auxiliary ports for sensors or boost referenceOEM oil filter access retainedCompatible with factory gasket and hardwareDesigned for BMW S58 Engines, Including:M2 – G87 (2021 )M3 – G80 (2020 )M4 – G82 / G83 (2020 )X3M / X4M – F97 / F98 (2019 )Installation & SupportDirect bolt-on using OEM mounting locationsFull clearance for factory service pointsWhy Choose RKEach 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.Click Here For Warranty Info