Honda K20 / K24 50/55mm EFI Individual Throttle Bodies (For Ported Heads)
High-performance 55mm direct-to-head EFI individual throttle bodies designed for ported Honda K20 and K24 cylinder heads. Featuring oversized intake ports, billet aluminium construction, and AT Power’s patented shaftless butterfly technology, these ITBs deliver maximum airflow, sharper throttle response, and increased engine performance for serious NA builds.
Compatible Engines
- Honda K20A
- Honda K20 variants (FN2 / FD2 specification)
- Honda K24 variants
Typical Vehicle Applications:
- Honda Civic Type R (FN2, FD2)
- Honda Civic Type R GT
- JDM Civic Type R
- Civic Mugen RC
- Honda Accord Type R
- Honda Integra fitted with K20 or K24 engines
Note: Cylinder head intake ports must be machined to match the throttle body port profile. 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.
