Ford Sigma / Zetec SE 1.6L 38mm EFI ITB Kit – Non-Injected Direct-to-Head Throttle Bodies
Enhance your Ford Sigma or Zetec SE 1.6L engine with our 38mm Electronic Fuel Injection (EFI) Individual Throttle Body (ITB) Kit, designed for non-injected, Direct-to-Head (DTH) configurations. Ideal for motorsport and high-performance builds, this kit delivers improved airflow, throttle response, and engine performance.
Compatible Engines:
- Ford Sigma / Zetec SE 1.6L
- Ford Fiesta, Puma, and other Sigma-powered models
While similar engine may share architecture, port shape and spacing can vary. Check the technical drawings match your inlet ports.
Key Features & Benefits:
- Direct-to-Head (DTH) EFI Throttle Bodies: Designed for precise alignment to the cylinder head – no adaptor plates required
- Shaftless Technology: Patented Shaftless butterfly valve design improves air velocity by 10% and throttle response by eliminating the central throttle shaft obstruction.
- Precision Port Matching: CNC-machined to align perfectly with OEM intake ports for seamless airflow.
- Twin Housing Configuration: 45mm billet aluminium twin oval housings deliver lightweight strength and exceptional durability.
- Improved Induction Airflow: Knife-edged butterfly blades reduce turbulence and increase engine power.
- Fully Assembled: Supplied ready to bolt on, with no additional fabrication required.
- Throttle Position Sensors (TPS): Choose between rotary contact or Hall Effect contactless sensors for reliable tuning input.
- Make Power personal with anodised colour finishes to suit your setup
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.
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 – 1 required per cylinder 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.

















