SKU: 38543881454

Hybrid Racing 75mm K-Series Throttle Body - RBC

Sale price$180.00 Regular price$200.00
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

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Description

Hybrid Racing 75mm K-Series Throttle Body - RBCFor years, Hybrid Racing's K Series throttle bodies have been the go to upgrade for enthusiasts looking to maximize performance. Since production ended, demand has only grownand they heard you loud and clear. Now, Hybrid is bringing back their 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

For years, Hybrid Racing's K-Series throttle bodies have been the go-to upgrade for enthusiasts looking to maximize performance. Since production ended, demand has only grown—and they heard you loud and clear. Now, Hybrid is bringing back their 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. Hybrid 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.

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, Hybrid has eliminated the constraints of the PRB bolt pattern, allowing 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 ( HYB-ICV-01-04 ) as the RRC Manifold does not have an idle air control ability. 

Features

  • Smooth Bore 75mm ID

  • Direct Bolt On to RBC/RRB/RBB Manifolds

  • Slimline Cable Bracket

  • Rotated IACV for Better Clearance

*Some images show factory parts, such as MAP Sensor, IACV, and intake manifold. These items are sold separately, and not included with the throttle body. 

Install Guide

 Vehicle application: 

2002-2006 Acura RSX*
2002-2005 Honda Civic Si*
1990-2001 Acura Integra**
1988-2000 Honda Civic**
1993-1997 Honda Del Sol**
1988-1991 Honda CRX**
*Must Use RBC/RRB/RBB Manifold
**K Swaps Using RBC/RRB/RBB Manifold

IN THE BOX
(1) Thermal Gasket
(1) 1/8 NPT Hose Barb Fitting
(1) 1/8 NPT Plug
(1) EPDM Rubber Cap
(1) Constant-Tension Spring Clamp
(4) JIS M8x1.25-35mm Flanged Bolts
(2) M5X0.8 Pan SEMS 12mm
(1) M5X0.8 Pan SEMS 16mm
(2) M5X0.8 Pan SEMS 20mm

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38543881454

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Nickolas Weston
Bozeman, US
★★★★★ 5
My favorite shoes
Size: 14 Wide, Color: White Leather
I’ve probably purchased like 40 pairs of these shoes or more. By far my favorite white sneaker. I have a large foot so the bigger sizes are appreciated. They’re versatile, literally go with anything and they are true to size. At a certain point they start to show wear and you can’t dress them up, but they last as a regular sneaker for a long time afterwards. I try to nab them on sale when they drop to $50-$70, absolute steal at that price point.
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Reviewed in the United States on May 9, 2026
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Ryan Miles
Birmingham, US
★★★★★ 5
Clean Look, Super Comfortable – Instantly a Favorite
Size: 9.5, Color: White Leather
These sneakers are exactly what I was looking for—sleek, minimal, and incredibly comfortable right out of the box. The white leather looks sharp and pairs easily with everything from jeans to chinos, even dressed-down office wear. What surprised me most was the comfort. The sole is lightweight with just the right amount of cushioning, making them perfect for walking around all day. I’ve worn them on long city days and never felt sore or tired. They fit true to size (I’m a 9.5 and they’re spot on), and the quality feels premium. If you're after a versatile white sneaker that balances style and comfort, these are 100% worth it.
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Reviewed in the United States on March 29, 2025
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Alain
Grantham, US
★★★★★ 5
Comfortable
Size: 10.5 Wide, Color: Black Leather/Black
Very comfortable shoes, you feel like walking on clouds
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Reviewed in the United States on April 26, 2026
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Gene and Karen
Phoenix, US
★★★★★ 3
Not for all surfaces.
Size: 11.5 Wide, Color: Black Leather/Optic White
The sneakers look great and are comfortable on flat, smooth surfaces. Warning: The sole is very flexible and not well cushioned so a walk on rough or uneven surfaces can become uncomfortable quickly. Just understand the limitations.
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Reviewed in the United States on June 1, 2026
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Guy Bloom
Boise, US
★★★★★ 5
Look great for dress up up casual
Size: 13, Color: Black Leather/Optic White
I wear them every day for work. They are comfortable and light. I will say I was frustrated with the crease in the top that started the first time I wore them but other than that they are a great pair of shoes.
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Reviewed in the United States on March 22, 2026

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