Ford Zetec Silvertop / Blacktop 45mm EFI ITB – Direct-to-Head Shaftless Throttle Bodies

Ford Zetec Silvertop / Blacktop 45mm EFI ITB Kit – Direct-to-Head Shaftless Throttle Bodies

Unlock peak performance from your Ford Zetec Silvertop or Blacktop engine with our 45mm Electronic Fuel Injection (EFI) Individual Throttle Body (ITB) Kit. Engineered for Direct-to-Head (DTH) fitment, this kit features AT Power’s patented shaftless throttle technology to deliver superior throttle response, airflow, and engine efficiency.

Perfect for both road and motorsport applications, this system is port-matched to the OEM cylinder head and supplied fully assembled, making it a true bolt-on performance upgrade.

Compatible Engines:

• Ford Zetec Silvertop & Blacktop 1.8L / 2.0L
• Ford Escort, Focus Mk1, Fiesta, Caterham, and kit cars using Zetec engines

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 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.