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Product Details
| Part Number: | 309-05-0010 |
| Brand: | Skunk2 |
| Color: | Black |
| Size: | 74mm |
| CARB Approved: | No |
The Skunk2 309-05-0010 Throttle Body Adapter provides a clean, purpose-built solution for installing an RBC-pattern K-series drive-by-wire throttle body onto a Skunk2 Ultra Race Series intake manifold or another intake manifold utilizing the early Ford 5.0L 90mm throttle-body bolt pattern.
Precision CNC-machined from 6061-T6 billet aluminum, this adapter is designed to provide a secure connection while smoothly transitioning the K-series throttle-body opening into the much larger Ultra Race manifold inlet. Its hard-anodized finish provides additional corrosion resistance and a clean appearance suitable for both street and competition engine bays.
The adapter incorporates a 74mm opening with a MAP sensor provision, allowing compatible Honda K-series DBW throttle bodies to be retained instead of requiring a completely different throttle-body configuration. A gasket and the necessary mounting hardware are included to simplify installation.
Features
- Genuine Skunk2 Racing throttle body adapter
- Part number 309-05-0010
- Designed for RBC-pattern K-series drive-by-wire throttle bodies
- Allows an RBC-pattern DBW throttle body to be installed on a Skunk2 Ultra Race Series intake manifold
- Compatible with intake manifolds utilizing the 90mm early Ford 5.0L throttle-body bolt pattern
- 74mm throttle-body opening
- Smooth transition into the Ultra Race manifold's larger 90mm inlet
- Integrated MAP sensor provision
- CNC-machined from 6061-T6 billet aluminum
- Hard-anodized finish for improved corrosion resistance
- Precision-machined mounting surfaces
- Recessed mounting holes provide a clean installation
- Allows compatible OEM-style K-series DBW throttle bodies to be retained
- Excellent option for naturally aspirated, supercharged, and turbocharged K-series builds
- Ideal for high-performance and racing applications using the Skunk2 Ultra Race manifold
- Includes throttle-body adapter gasket
- Includes necessary mounting hardware
- Designed for straightforward installation without fabricating a custom adapter plate
Ultra Race Intake Manifold Compatibility
- Skunk2 309-05-0010 is specifically intended to adapt the Honda K-series RBC-pattern DBW throttle-body flange to the large throttle-body flange used on Skunk2's Ultra Race intake manifolds. Confirmed compatible Ultra Race manifold part numbers include 307-05-8000, 307-05-8050, 307-05-8055, and 307-05-8080.
- This makes the adapter particularly useful for 2006–2011 Honda Civic Si applications where the builder wants to upgrade to an Ultra Race manifold while retaining an RBC-pattern electronic throttle body. Retail application data specifically lists the 2006–2011 Civic Si and 2008 Civic MUGEN Si.
Installation Note
- This adapter should not be confused with Skunk2's other K-series throttle-body adapters. 309-05-0010 is specifically the K (RBC) to Ultra Race adapter; Skunk2 separately offers adapters for PRB-pattern and B-series throttle bodies. Skunk2's own adapter catalog identifies 309-05-0010 as “Throttle Body Adapter – K (RBC) to Ultra Race.”
The Skunk2 309-05-0010 is an excellent solution for K-series enthusiasts who want the increased airflow potential of an Ultra Race Series intake manifold while retaining a compatible RBC-pattern drive-by-wire throttle body, all in a durable, precision-machined billet aluminum package.
Not legal for sale or use in California on any pollution controlled motor vehicles. See http://www.semasan.com/emissions for state by state emissions requirements.
There is a 5% cancellation fee if you order this product and want to ship it to the state of California.
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 2006 | Honda | Civic | Si |
| 2007 | Honda | Civic | Si |
| 2008 | Honda | Civic | MUGEN Si |
| 2008 | Honda | Civic | Si |
| 2009 | Honda | Civic | Si |
| 2010 | Honda | Civic | Si |
| 2011 | Honda | Civic | Si |
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