Skunk2 Ultra Series Centerfeed Intake Manifolds are available for Honda/Acura K-Series engines. They work best with high RPM naturally aspirated engines and are perfect for turbo applications running 20 or more lbs of boost. Plenum volume increases available with 1L and 2L spacers, modular design for ease of porting and tapped with 1/8" and 1/4" NPT for all accessories. Centerfeed manifolds are available as a complete manifold kit or plenum only. OFF ROAD USE ONLY!

Cast from high-grade 356 aluminum alloy for a strong and lightweight design Available for Honda K-Series engines Modular design allows for easy porting of intake runners and plenum size changes Symmetrical plenum bolt pattern allows manifold plenum to be flipped 5L plenum volume, available spacers to increase volume in 1L and 2L increments 90mm throttle body opening with Ford bolt pattern (P.N. 309-05-0900/0905) Includes thermal intake gasket for high-temperature insulation Dual fuel rail provisions for extreme horsepower applications Cast in velocity stacks to reduce turbulence and increase air flow to the runners 1/8" and 1/4" NPT threads for accessories

• Modular 3pc. Design w/ Removable Plenum
• 5.0L Plenum Volume** 
• 90mm Throttle Body Flange - Std. 5.0L Ford Pattern
• 6.0" Tapered Hi-Velocity Runners
• Raised 87mm Velocity Stacks
• Generously Cast Runner Walls for Porting
• Provisions Secondary Fuel Rail & Injectors
• 3 x 1/8" NPT and 3 x 1/4" NPT Accessory Ports
• Hi-Grade Mounting Hardware 
• Thermal Gasket Included
• Fits MOST Popular Chassis Configurations - Not Just Race Cars - See Notes
• **Optional Billet Aluminum Plenum Spacers Available in 1L or 2L Sizes