F415 4 Barrel Inlet Manifold for Series 6 (FD) RX7 and Cosmo 13B. Semi PP
Fully computer designed & CFD flow tested for optimal flow rates.
Equal runner volume & length.
Centre bolt hole supplied for consistent sealing of manifold to block on the primary ports.
Fully CNC machined and port matched.
Centre stud supplied for high boost turbo engines to mount intake hat.
Square bore 4150 Holley stud pattern.
Has holes pre-drilled for use with X-Treme Rotaries Semi PP rotor housings.