90mm Billet Throttle Body For K20 K24 K-Series EP3 DC5 RSX Type-S Civic Si
Bull Boost Performance Honda K-Series 90mm High Performance Racing Throttle Body
Upgrade your Honda K-Series engine with this high-flow 90mm Racing Throttle Body, engineered to improve airflow and throttle response for naturally aspirated and forced induction performance builds. Featuring a durable silver finish and a precision-machined adapter plate, this throttle body is designed to support high-horsepower applications.
Features
- High-performance 90mm throttle body
- Precision CNC-machined aluminum construction
- Silver anodized finish
- Includes 70mm to 90mm adapter plate
- Improves airflow and throttle response
- Ideal for high-performance street and racing applications
- Designed for Honda K-Series engines
Fitment
- Honda K20 (Cable Throttle Only)
- Honda K24 (Cable Throttle Applications)
- Honda Civic Si EP3
- Acura RSX DC5
- Other Honda K-Series cable throttle setups using compatible intake manifolds
IMPORTANT:
This throttle body is NOT compatible with Drive-By-Wire (DBW) K20 applications. Please verify your engine uses a cable-operated throttle before purchasing.
Package Includes
- (1) 90mm Racing Throttle Body
- (1) 70mm to 90mm Adapter Plate
- (1) Throttle Body to Adapter Gasket
- (8) Mounting Bolts
Installation Notes
- Designed to fit with minimal modifications.
- Intake manifold studs must be removed during installation.
- Professional installation is highly recommended.
- Always verify compatibility with your specific intake manifold before purchasing.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
90mm Billet Throttle Body For K20 K24 K-Series EP3 DC5 RSX Type-S Civic Si
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


