B58 Gen2 Billet Intake Manifold

This in-house designed, machined, and welded billet intake manifold from RK Autowerks delivers a performance-focused solution for Gen 2 B58 engines operating well above factory power levels. Built in Fort Worth, Texas, it features a significantly upgraded intercooler core and full support for port injection, making it a strong foundation for high-boost, high-output builds. A matching fuel rail is included; injectors and a port injection line kit are required and sold separately. Key Features 70% larger Wagner Tuning intercooler core for improved thermal efficiency Thermal phenolic spacer to reduce heat transfer and minimize heat soak Integrated -8AN ORB fuel rail (included) Compatible with EV14K-body (Bosch Shorty) injectors Six 1/8" NPT secondary ports for meth or nitrous systems Three 1/8" NPT auxiliary ports for accessories such as boost reference Coolant return line with OE-style fitting included Maintains full access to the OEM oil filter Offered in raw aluminum finish Engineere