RK Autowerks B58 Race PLUS Manifold Gen2 - Billet Port Injection

OVERVIEW

RK Autowerks' top-tier billet race manifold for the Gen 2 B58, designed in-house for the most extreme high-performance builds. This unit features a core 3x bigger than the OEM manifold (201% larger — the biggest in RK's B58 lineup), paired with an integrated -8AN ORB fuel rail that supports full port injection for serious power builds.

SPECS

• Core size comparison: OEM 180in³ | V2 353in³ (+96%) | Race 437in³ (+143%) | Race PLUS 541in³ (+201%, 3.0x OEM)
• CNC-machined from 6061 billet aluminum
• -16AN inlet and outlet water connections
• Phenolic spacer to reduce heat soak
• Integrated -8AN ORB fuel rail (included)
• Supports Bosch EV14K (Shorty) injectors
• 3x 1/8" NPT auxiliary ports for boost reference or sensors
• OEM oil filter remains accessible
• Available in raw aluminum

PARTS INCLUDED

• Billet intake manifold
• Oil filter housing spacer
• Integrated -8AN fuel rail
• All necessary hardware and fittings (fuel lines and injectors NOT included)

TECH RESOURCES

• Required separately (not included): injectors and a port injection line kit
• Coolant lines and fittings are NOT included — this is a universal-fit part with -16AN water connections, so you must establish your own connection method (OEM connections cannot be used for the line sizing)

PART NUMBER

• RK.MAN.B58.G2R-2

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