13B REW 4-Port Sheetmetal Lower Intake Manifold

The Rotary Works Lower Intake Manifold is a sheetmetal intake manifold constructed from TIG-welded aluminum, featuring CNC-machined components for fuel rails, injector bases, and flanges. This manifold is designed for the Mazda 13B REW rotary engine with 4 ports, specifically for the 1992-2002 RX-7 FD model. It is configured to support 6 injectors (one per primary runner, two per secondary runner) and includes a large-bored, AN8-fittable aluminum fuel rail designed for high horsepower applications and maximum fuel delivery. Injector dummy plugs are provided to allow for optional configurations using 2, 4, or 6 injectors, and it is compatible with Gasoline, E85, or Methanol fuels. This product fits the STOCK upper REW intake for US and JDM models, but it explicitly does NOT fit the Cosmo upper intake. Injectors are not included with this purchase. This intake manifold is intended for off-road or track use ONLY and is not for street use.