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Skunk2 Ultra Series K Series Race Intake Manifold - 3.5L Silver

SKU: SKK307-05-8000

Intake Manifolds, Fuel Injected

SK Ultra Intake Manifold...

Skunk2 Ultra Series K Series Race Intake Manifold - 3.5L Silver

SKU: SKK307-05-8000

Intake Manifolds, Fuel Injected

SK Ultra Intake Manifold...

A$2,000.73
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Skunk2 Ultra Series K Series Race Intake Manifold - 3.5L Silver

Skunk2 Racing is proud to announce the next generation of high performance intake manifolds for the '02-'05 Civic Si and '02-'06 RSX/ RSX Type S, and/ or any swap using the K20A/ K20A2/ K20Z1/ K24A1 engines or cylinder heads has finally arrived! 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.

Additional Information

Ultra Series Race Intake Manifold; 3.5L Volume; 90mm Inlet w/Early 5.0 Ford TB Bolt Pattern; 4 Secondary Injector Bosses; K20A2 Style; Silver Adapter;

Product Overview

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.

*FEATURES:*
• Modular 3pc. Design w/ Removable Plenum
• 3.5L Plenum Volume**
• 90mm Throttle Body Flange - Std. 5.0L Ford Pattern
• Tapered Hi-Velocity Runners
• Raised Velocity Stacks
• Generously Cast Runner Walls for Porting
• Provisions Secondary Fuel Rail & Injectors
• Hi-Grade Mounting Hardware
• Thermal Gasket Included
• Fits MOST Popular Chassis Configurations - Not Just Race Cars (See Notes)

Additional Application Notes
• 3.5L Volume; 90mm Inlet w/Early 5.0 Ford TB Bolt Pattern; 4 Secondary Injector Bosses; K20A2 Style; Silver Adapter;Not Legal For Sale Or Use In California
• 3.5L Volume; 90mm TB Inlet/5.0 Ford Bolt Pattern; w/Prb Cylinder Head; Silver Adapter

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:20:37

Data: v4.2 - Upd: 2026-11-09 02:36:19

Features

  • 6.5 in. Tilted/Tapered Hi-Velocity Runners
  • 90mm Throttle Body Flange - Std. 5.0L Ford Pattern
  • Available in 3.5L/4.5L/And 5.5L Configurations
  • Fits ALL Popular Chassis Configurations - Not Just Race Cars
  • Generously Cast Runner Walls for Porting
  • Hi-Grade Mounting Hardware
  • Includes Thermal Manifold Flange Gasket
  • Optional Billet Aluminum Plenum Spacers In 1L Or 2L Sizes
  • Provisions For Additional Injectors On Bottom Side Of Runners
  • Raised 87mm Velocity Stacks - Plenty Of Material To Port
  • US Patent No. D673977S

Note for Australian and European Markets

Unless otherwise stated, this product may be engineered for use in Left-Hand Drive vehicles. Steering components, pedals, shifters, linkages, wing mirrors, instrument clusters, panhard rods/traction bars, drag links, brake boosters, brake or clutch lines, accelerator cables, heater cores, some master cylinders and adjacent parts can vary between LHD and RHD configurations. In some models compenents such as windscreen wiper arms, motors and linkages could differ in their size and orientation. Items such as floor mats & dash mats may have differences in their structure around the front row (or padding in different locations). In many cases items are identical depending on the design of the vehicle and part, but may have differing mounts, lengths or bolt patterns. Carefully review the product images and details to ensure suitability for your vehicle, or contact StreetFX support if you are unsure. Returns are not accepted for special order products.

(keyword: manifold)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Color:Silver
Cylinder Head Type:PRB
Description:Ultra Series Race Intake Manifold
Engine Make/Size:Honda K24
Gasket Or Seal Included:No
Material:Aluminum
New Or Remanufactured:New
Number of Carbs:None; For Fuel Injection
Part Number:skk307-05-8000
Usage:Street/Hi-Performance

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Skunk2 Racing, Skunk 2
StreetFX SKU skk307-05-8000
SFX Item ID 4442443
Accounting SKU skk-307-05-8000
Manufacturer SKU 307-05-8000
Manufacturer UPC 873265007691
Alternative References 307-05-8000, SK2-307-05-8000

Intake Manifold, Ultra Series Race Intake Manifold w/ Removable Plenum Silver 02-05 Honda Civic Si K20A2

Skunk2 Racing offers Ultra Race intake manifolds for a variety of cars, including models from Honda© and Acura©. The high performance intakes are ideal for RSX/RSX Type S applications, as well as any swap using the K20A, K20A2, K20Z1, K2$A1 engines or cylinder heads. These much-anticipated Ultra Race manifolds are the result of years worth of research/development and building upon the performance legacy of Skunk2's Pro Series intake manifold. Using the latest in CFD (Computational Fluid Dynamics) software, Skunk2 Racing has created a 3-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. Many options are available; order the Ultra Race model recommended for your vehicle.

Product Attributes
BrandSkunk 2
Manufacturer's Part Number307-05-8000
Part TypeIntake Manifolds, Fuel Injected
Product LineSkunk2 Racing Ultra Race Intake Manifolds
UPC873265007691
Fuel Injection StyleThrottle body
Injectors IncludedNo
Multi-Port Fuel Rails IncludedNo
EGRNo
Aftermarket Fuel Rail RequiredNo
Throttle Body IncludedNo
Supplemental Bosses Cast-InNo
Supplemental Bosses MachinedNo
Runners IncludedYes
Runners RemovableNo
Plenum MaterialAluminum
Plenum FinishSilver powdercoated
RemanufacturedNo
QuantitySold individually.

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