Hybrid Racing aluminium CNC 75mm throttle body RBC/RRB/RBB intake (K20A-engines)
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For years, our K-Series throttle bodies have been the go-to upgrade for enthusiasts looking to maximize performance. Since production ended, demand has only grown—and we heard you loud and clear. Now, we’re bringing back our industry-leading design, refined and reengineered for even greater performance and reliability.
The latest version stays true to its winning formula while introducing key improvements. The new RBC Throttle Body is a direct bolt on for the RBC/RB/RRB intake manifolds. However, this throttle body is only designed for Drive By Cable, so it will not fit the donor cars that many of those manifolds come from. We’ve rotated the IACV port to improve clearance between the radiator and wiring connector, ensuring a cleaner, more efficient installation. The TPS mount now mirrors the OEM Honda design, guaranteeing precise throttle position sensor calibration for seamless integration with your engine management system.
Engineered for Maximum Airflow & Fitment
Precision-machined from 6061-T6 aluminum, this throttle body is built for the RBC, RRB, RRC, and RBB bolt patterns. By designing it specifically for these intake manifolds, we’ve eliminated the constraints of the PRB bolt pattern, allowing us to open up the inlet to a full 75mm. Whether you’re running a naturally aspirated or forced induction setup, this throttle body delivers the airflow your engine needs. It’s also designed to work perfectly with 3-inch couplers, ensuring a secure and optimized intake path.
To install the throttle body on the RRC Manifold, you must use the IACV Block Off Plate as the RRC Manifold does not have an idle air control ability.Â
Versatile Fitment for K-Swapped Builds
Designed with flexibility in mind, the throttle body rotor offers three cable mounting positions, making it compatible with K-swapped EG, EK, DC2, RSX, and EP3 applications. It pairs seamlessly with HYB-TRC-01-05 and HYB-TRC-01-10 throttle cables. To ensure long-term reliability, we’ve also integrated dual stainless-steel throttle return springs—adding an extra layer of safety while eliminating the risk of rust.
*Images show pre-production model. Some components shape, color, or finish may differ from production version.Â
PRODUCT HIGHLIGHTS
- Smooth Bore 75mm ID
- Direct Bolt On to RBC/RRB/RBB Manifolds
- Slimline Cable Bracket
- Rotated IACV for Better Clearance
