RK Autowerks B58 Manifold Gen1 - Billet Port Injection

OVERVIEW

RK Autowerks B58 Gen 1 billet manifold, designed, machined, and welded in-house at RK's shop in Fort Worth, TX. Built for high-performance Gen 1 B58 applications with an upgraded intercooler core and full port injection support.

SPECS

• 70% larger core than stock
• Thermal (phenolic) spacer to minimize heat soak between the engine and manifold
• Coolant return line with OE fitting included
• Ports for port fuel injection — integrated fuel rail with -8AN ORB fittings included
• Recommended injectors: EV14K Body (Bosch Shorty)
• 6x 1/8" NPT secondary ports for nitrous/meth
• 3x 1/8" NPT auxiliary ports for accessories (e.g., boost reference)
• OEM oil filter remains accessible
• Available in raw aluminum

PARTS INCLUDED

• Billet intake manifold
• Thermal (phenolic) spacer
• Integrated -8AN fuel rail
• 2 hoses to connect to the stock system
• All necessary hardware and fittings (fuel lines and injectors NOT included)

TECH RESOURCES

• Required separately: injectors and a port injection line kit; if not running port injection, injector port blanks are required (available separately)
• Plug-and-play fitment using OEM mounting points

PART NUMBER

• RK.MAN.B58.G1

VEHICLE APPLICATIONS