Ford ST170 45mm EFI ITB – Direct-to-Head Shaftless Throttle Bodies for ST170

Ford ST170 45mm EFI ITB – Direct-to-Head Shaftless Throttle Bodies for ST170

Transform the performance of your Ford ST170 engine with our 45mm Electronic Fuel Injection (EFI) Individual Throttle Body (ITB) Kit. Precision-engineered for Direct-to-Head (DTH) installation, this kit features AT Power’s innovative shaftless throttle technology and lightweight billet construction to deliver sharper throttle response, increased airflow, and higher power potential.

Ideal for high-performance road builds, track cars, and motorsport applications, this kit fits the OEM port layout of the ST170 cylinder head for a clean, efficient install – no adapter manifold required.

Compatible Engines:

• Ford ST170 2.0L
• Ford Focus ST170 and custom builds using ST170 heads

Note: Engine uses a unique port layout specific to the ST170 variant

While similar engine may share architecture, port shape and spacing can vary. Check the technical drawings match your inlet ports.

Product Details:

• Aerospace Grade Billet Aluminium patented “Shaft-less” 45mm Throttles
• 100mm Black Laser Sintered PA12 Nylon Extensions
• 40mm Open Aluminium Ram Pipes (trumpets)
• Centre Cable Pull Linkage
• Right Hand Side TPS Mounting
• JIC-6 AN6 Standard Fuel Rail Fitment for Injected
• Pico Injector Mounting Brackets

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 the setup:

• 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.