Skunk2 Racing is proud to announce the next generation of high performance intake manifolds for the Honda B16A/ B17A and B18C engine or VTEC cylinder heads! The much anticipated Ultra Race Intake Manifold is the result of years worth of R&D and building upon the performance legacy of our Pro Series Intake Manifold. Using the latest in CFD (Computational Fluid Dynamics) software; Skunk2 Racing has created a three-piece modular design that allows for easy disassembly, porting, and plenum volume changes through the use of a removable plenum and optional plenum spacers. The result is a design that is less restrictive, yielding both torque and power gains well over many of the competitors.. Ultra Series Race Intake Manifold; 3.5L Volume; 90mm TB Inlet/5.0 Ford Bolt Pattern; Mtg. Flange Fits B Series Vtec Heads; Black Adapter;. Unique Mounting Flange Universally Fits All B Series VTEC Heads. Provisions For Additional Injectors On Bottom Side Of Runners. Optional Billet Aluminum Plenum Spacers In 1L Or 2L Sizes. Skunk2 Ultra Series Intake Manifold w/ Black B VTEC 3.5L. Raised 87mm Velocity Stacks - Plenty Of Material To Port. 90mm Throttle Body Flange - Std. 5.0L Ford Pattern. Available in 3.5L/4.5L And 5.5L Configurations. 6.5 in. Tilted/Tapered Hi-Velocity Runners. Generously Cast Runner Walls for Porting. Includes Thermal Manifold Flange Gasket. Ultra Series Race Intake Manifold. Hi-Grade Mounting Hardware. US Patent No. D673977S. Intake Manifold

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