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SKU: BXIM-00218-SI
BLOX Racing 72mm Billet Throttle Body - Anodized Silver for 2002-2011 Acura RSX Honda Civic Si K-Series
BLOX Racing 72mm billet throttle body delivers higher airflow for noticeable horsepower and torque increases on K-series engines. CNC machined with dual-pattern design for direct bolt-on fit to PRB/PRC and RBC/RRC intake manifolds without adapters on 2002-2006 Acura RSX and 2006-2011 Honda Civic Si plus JDM swaps. Anodized silver finish ensures corrosion resistance and crisp throttle response from precision butterfly and new springs.
Key Features
- Dual-Bolt Pattern: Matches PRB/PRC and RBC/RRC manifolds directly eliminating need for adapter plates
- 72mm Bore Size: Larger diameter provides increased airflow over stock for power gains across RPM range
- Billet Aluminum Build: CNC machined from solid aluminum for strength and lightweight performance
- Precision Throttle Components: Machined butterfly plate and new springs deliver consistent opening closing and sharp response
- Complete Provisions: IACV can be used or blocked for race setup includes gasket hardware all factory sensors reuse directly
Product Notes
- RBC adapter no longer required with this direct-fit design
- Not compatible with 2017+ Civic Type R models
- K-series TPS sold separately PN BXIM-10401 or BXIM-10401-V2
Installation Notes
- Professional installation recommended.
- Bolt-on installation reuses all factory sensors without modifications
- Hardware and gasket included for straightforward mounting
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Base / Type-S (PRB manifold) |
| 2001-2006 | Honda | Integra Type R | DC5 JDM (PRC manifold) |
| 2006-2011 | Honda | Civic | Si (RBC manifold) |
| 2004-2006 | Honda | Civic Type R | EP3 JDM (RRC manifold) |
| 2007-2011 | Honda | Civic Type R | FN2 JDM (RRC manifold) |
Why Choose BLOX Racing?
- Proven leader in Honda K-series performance components
- Billet precision machining for reliable high-flow performance
- Direct-fit engineering simplifies upgrades for street and track
Frequently Asked Questions
-
Q: Does this throttle body fit 2006-2011 Honda Civic Si RBC manifold?
A: Yes direct bolt-on fit to RBC manifold no adapter needed increases airflow for power gains -
Q: What material and finish does it have?
A: CNC machined from billet aluminum with anodized silver finish to prevent corrosion -
Q: Is throttle position sensor TPS included?
A: No TPS sold separately use BLOX Racing PN BXIM-10401 or BXIM-10401-V2 compatible with factory wiring
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-protected box 9 x 7 x 5 inches
- Weight: 2.0 lbs
BLOX Racing
BLOX Racing has built a strong following in the import and sport compact community since 2003 by delivering parts that meet or exceed OEM quality standards at prices that make building accessible. Every BLOX product is designed with ISO 9001-certified manufacturing processes and subjected to rigorous testing before release, ensuring fitment and reliability that matches the performance they advertise. Popular Upgrades BLOX Racing intake manifolds and throttle bodies are popular for Honda, Acura, and other sport compact platforms, delivering improved airflow and throttle response over stock components. Suspension components including adjustable end links, sway bars, and pillow ball mounts allow precise handling tuning for street and autocross use. Engine hardware — cam gears, valve train components, and timing chain kits — rounds out the BLOX catalog for builders pushing beyond stock engine parameters. What platforms does BLOX Racing support? BLOX Racing focuses primarily on Honda, Ac...
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