Vauxhall X20XE/C20XE 42mm Electronic Fuel Injection (EFI) Throttle Bodies (ITB’s)
Boost your Vauxhall X20XE or C20XE engine’s performance with our 42mm EFI Direct-to-Head (DTH) ITBs. Precision-engineered by AT Power, these shaftless throttle bodies are port-matched to OEM intake ports for seamless fit and optimal airflow.
Compatible Engines: Vauxhall X20XE and C20XE
Typically found in: Vauxhall Astra MK3 and MK4, Calibra 2.0L 16v, Cavalier MK3, Opel/Vector A & B, Opel Kadett E GSI.
Technical Drawing here.
Professional installation, ECU Compatibility and Tuning required. Failure to install this product correctly will cause damage to your engine and void warranty.
-
*Anodising Colours
*Select Throttle TPS Side?
See Technical Documents for Left / Right Side
*Select Left Side Throttle TPS Type?
*Select Right Hand Side Throttle TPS Type?
*Do you require an ME221 Base Map ECU Package and Harness Loom?
£1,495.00 (exc. VAT)
Vauxhall X20XE / C20XE 42mm EFI Shaftless ITB Throttle Bodies – Direct-to-Head Kit
Unlock peak performance from your Vauxhall X20XE or C20XE engine with our 42mm EFI Direct-to-Head (DTH) Individual Throttle Bodies (ITBs). Designed and precision-engineered by AT Power, these Twin Housing Shaftless Butterfly Throttle Bodies are port-matched to the OEM intake ports for seamless integration and maximum efficiency.
Compatible Engines:
- Vauxhall X20XE
- Vauxhall C20XE
These engines are widely known for their performance potential and were originally fitted to various Opel/Vauxhall models, including:
- Vauxhall Astra MK3 & MK4
- Vauxhall Calibra 2.0 16v
- Vauxhall Cavalier MK3
- Opel Kadett E GSi
- Opel Vector A & B
The ITBs are port-matched to the OEM intake ports of these engines, making them a direct bolt-on performance upgrade with no additional fabrication required.
Perfect for road, race, or track application, this ITB kit is designed to deliver responsive, reliable, and tunable performance straight out of the box. Supplied fully assembled, it’s ready to mount and drive.
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.
- Complete EFI Solution: Developed specifically for electronic fuel injection setups – perfect for naturally aspirated performance builds or motorsport applications.
- Lightweight Billet Aluminium Housings: Twin oval throttle housings are CNC-machined from high-grade billet aluminium for strength, weight reduction, and thermal efficiency.
- 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
Product Details:
- 100m Black Laser Sintered PA12 Nylon Extensions
- 40mm Open Aluminium Ram Pipes (trumpets)
- Central Cable Pull Linkage
- JIC-6 AN6 Standard Fuel Rail Fitment
- Mounting brackets for Pico Injectors
To Customise this product click here.
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 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.
Please Note
Ordering
Before placing your order, please ensure that the technical drawings match your engine’s inlet ports and that the throttle bodies will fit correctly, as engine specifications may vary or have been modified.
Anodised Finishes:
Our anodising has a gloss finish. Kindly note that the colour swatches or photoshopped images are intended for guidance only. Variations in colour and finish may occur due to the inherent nature of the anodising process and its suitability. Additionally, printed materials and on-screen displays may differ in shade. View our anodising colour examples here.
Returns and Cancellations:
Our Throttles are classified as ‘Configured’ products, as they are made to order. Please note that different terms apply to cancellations and refunds for configured items. You can find more information, clicking here.
Installation:
- 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.
Incorrect installation of this product may result in engine damage.
This is a motorsport-grade component and must be installed by a qualified technician. If you are unsure, we strongly advise that all mechanical and safety-critical work be carried out by a certified expert.
S-CAN 3D accepts no liability for damage resulting from improper installation or misuse. For support or guidance, please contact the AT Power sales team.
Delivery / Lead Time
This Configured product is made to order:
- Standard dispatch time is approximately 8-9 weeks from receipt of payment.
Please note that this timeframe is a guideline and is not guaranteed.
If purchased with other items:
- Dispatched based on the item with the longest lead time in your order.
Postage and Shipping Costs:
Shipping costs are automatically calculated at the checkout after you enter your delivery address.
For sales, please see our Terms & Conditions.
Documents
Vauxhall X20XE / C20XE 42mm EFI Shaftless ITB Throttle Bodies – Direct-to-Head Kit
Unlock peak performance from your Vauxhall X20XE or C20XE engine with our 42mm EFI Direct-to-Head (DTH) Individual Throttle Bodies (ITBs). Designed and precision-engineered by AT Power, these Twin Housing Shaftless Butterfly Throttle Bodies are port-matched to the OEM intake ports for seamless integration and maximum efficiency.
Compatible Engines:
- Vauxhall X20XE
- Vauxhall C20XE
These engines are widely known for their performance potential and were originally fitted to various Opel/Vauxhall models, including:
- Vauxhall Astra MK3 & MK4
- Vauxhall Calibra 2.0 16v
- Vauxhall Cavalier MK3
- Opel Kadett E GSi
- Opel Vector A & B
The ITBs are port-matched to the OEM intake ports of these engines, making them a direct bolt-on performance upgrade with no additional fabrication required.
Perfect for road, race, or track application, this ITB kit is designed to deliver responsive, reliable, and tunable performance straight out of the box. Supplied fully assembled, it’s ready to mount and drive.
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.
- Complete EFI Solution: Developed specifically for electronic fuel injection setups – perfect for naturally aspirated performance builds or motorsport applications.
- Lightweight Billet Aluminium Housings: Twin oval throttle housings are CNC-machined from high-grade billet aluminium for strength, weight reduction, and thermal efficiency.
- 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
Product Details:
- 100m Black Laser Sintered PA12 Nylon Extensions
- 40mm Open Aluminium Ram Pipes (trumpets)
- Central Cable Pull Linkage
- JIC-6 AN6 Standard Fuel Rail Fitment
- Mounting brackets for Pico Injectors
To Customise this product click here.
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 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.
Please Note
Ordering
Before placing your order, please ensure that the technical drawings match your engine’s inlet ports and that the throttle bodies will fit correctly, as engine specifications may vary or have been modified.
Anodised Finishes:
Our anodising has a gloss finish. Kindly note that the colour swatches or photoshopped images are intended for guidance only. Variations in colour and finish may occur due to the inherent nature of the anodising process and its suitability. Additionally, printed materials and on-screen displays may differ in shade. View our anodising colour examples here.
Returns and Cancellations:
Our Throttles are classified as ‘Configured’ products, as they are made to order. Please note that different terms apply to cancellations and refunds for configured items. You can find more information, clicking here.
Installation:
- 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.
Incorrect installation of this product may result in engine damage.
This is a motorsport-grade component and must be installed by a qualified technician. If you are unsure, we strongly advise that all mechanical and safety-critical work be carried out by a certified expert.
S-CAN 3D accepts no liability for damage resulting from improper installation or misuse. For support or guidance, please contact the AT Power sales team.
Delivery / Lead Time
This Configured product is made to order:
- Standard dispatch time is approximately 8-9 weeks from receipt of payment.
Please note that this timeframe is a guideline and is not guaranteed.
If purchased with other items:
- Dispatched based on the item with the longest lead time in your order.
Postage and Shipping Costs:
Shipping costs are automatically calculated at the checkout after you enter your delivery address.
For sales, please see our Terms & Conditions.
Documents
RELATED PRODUCTS
From £67.50 (exc. VAT)


















