Honda K20 / K24 50mm EFI Individual Throttle Bodies (DC5 / EP3)
This 50mm Direct-to-Head (DTH) EFI Individual Throttle Body (ITB) system is precision port-matched to OEM intake ports for Honda K20 and K24 engines, including DC5 Integra, EP3 Civic Type R, Acura RSX, and Accord Euro R applications.
Compatible Engines:
- Honda K20A, K20A2, K24 (K24A variants)
These engines are commonly found in:
- DC5 Integra / Acura RSX
- EP3 Civic Type R
- Honda Accord Euro R
While similar engine may share architecture, port shape and spacing can vary. Check the technical drawings match your inlet ports.
Key Features & Benefits:
- Patented Shaftless Butterfly Design: Eliminates central shaft to reduce turbulence, increasing airflow by up to 10% compared to conventional shafted ITBs
- Bolt-On Compatibility: Pre-assembled to fit – fits under OEM bonnet, no need to relocate alternator or PS pump, and reversible
- Full OEM Component Use: Compatible with factory fuel rail, injectors, throttle cable, intake gasket, and thermostat housing
Performance Advantages:
- Increased horsepower and torque
- Lightweight and durable
- Sharper throttle response and increased engine performance
- Perfect for naturally aspirated and tuned applications
- Ideal for motorsport applications, track day builds, race cars or high-performance engine builds and street setups
If you require something more bespoke, please contact us.
Engine Relocation
For fitment into standard (OEM) vehicles, it may be necessary to relocate the power steering pump or alternator & replace the existing water pump with an aftermarket electric water pump to allow package clearance for the installation of these Throttle Bodies. These ancillary products are directly available through:
TEGIWA IMPORTS Ltd (UK) Press here for TEGIWA IMPORTS website.
Complete your build. Sold Separately:
- AirFlow Synchrometer here.
- Megaflow Air Filter JC50/S/65 here.
- 3m Motorsport Cable here.
- Throttle Twin Housing – 1/8″ BSP to 5/16″ (8mm) Hosetail Fitting here.
Important:
- ECU Compatibility and Tuning Required: Proper engine management system tuning is necessary for optimal operation and fuelling.
- Maps are supplied “as-is”. Professional dyno tuning is strongly recommended to ensure optimal performance and avoid potential engine damage.
If you require something more bespoke, please contact us.
Motorsport Use Only! This product is designed for professional motorsport applications and must be installed by a qualified technician. If assistance is required, please contact AT Power’s sales team.




















