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Porsche 911, 964 and 993 Carrera Plug & Play Throttle Body Kit

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Porsche 911, 964 and 993 Carrera Plug & Play Throttle Body Kit


AT Power has developed a unique range of Direct to Head throttle bodies for the Porsche 911, 964 and 993, Air-Cooled Classics. The air-cooled range suits our “Patented-Shaft-Less” throttle technology perfectly.

Our existing design helps to increase air flow dramatically thus minimising air flow separation resulting in higher volumetric efficiency, more Horse power, Torque and vastly increased throttle response.

We have now developed our own Plug and Play throttles kit for the 964 Carrera with the help of two specialists.

We were provided with a 964 from Porsche specialist, Williams Crawford Porsche and have worked closely, for the past few months, with local ECU supplier and customer, Specialist Components, to develop and test a complete plug and play kit.

Finally, the testing is over, and the results have been remarkably outstanding regarding the improvements to performance and driveability of an already well tuned car. We now have all the right parts in all the right places.

This is the first time we have had the opportunity to develop a car in-house and the results speak for themselves. These beautifully engineered, aerospace grade, billet aluminium, direct to head throttle bodies are a “Must Have” for the Porsche 964 owner.

This pristine technology and Knife-edged butterflies have improved the airflow and performance significantly. With the blade very close to the inlet valve, the engine and throttle response is vastly improved.

Our Plug and Play Throttles (ITB’s) solution comes fully assembled and includes the following parts:


  • Billet aluminium “Shaft-less” Throttle bodies.

  • 3D custom printed curved Inlets/extensions.

  • Ram pipes.

  • TPS sensor.

  • Billet Aluminium Fuel Rails.

  • Thermal gaskets.

  • Linkage and spindles that connect directly to the OEM cable pull.

We have also listed the supporting parts that create this Plug and Play Kit

  • Specialist Components Delta 400 ECU with plug and play loom to connect the existing wiring harness.

  • Base map.

  • CAN tuning dongle.

  • Air temperature sensor.

  • Breather Filters.

  • ITG Air Filters.

  • Custom laser cut back plates (Handed)

  • PICO fuel injectors.

  • Carbon Fibre heating duct.

  • Racing lines fuel pressure regulator.

  • Fuel lines and fittings with fuel flow diagram.

  • Brake servo hose kit.

DYNO: Dyno Results From Test Car

Above is dyno data from the development car we used to test this kit. The car used was a Standard Porsche Carrera 2, 3.6L 964 engine and was kindly donated by Williams Crawford Porsche. The Dyno Graph shows the cars existing horse power reading before any throttles were installed. This recorded 243.5 HP for a 20 year old car while the Factory Standard is 247 HP. The AT Power throttles kit was then added and was run on the dyno again, resulting in a remarkable increase to 289.3 HP – (45.8 HP). The road test of this vehicle over an average of 6 timed runs found the following gains in throttle response.

  • 20-50 mph - 2 Gear – Standard car 4.2 (s) AT Power – 3.8 (s)

  • 30-60 mph - 3 Gear – Standard car 6.1 (s) AT Power – 5.05 (s)

With the AT Power Throttles installed, and a base map run from the dyno with no other modifications, the car increased in Horse Power, Torque, Driveabilty, Throttle Response and also added an incredible sound track.

Weight Reduction

Due to the removal of existing OEM parts and the introduction of light weight Billet aluminium parts, we have found a reduction in weight of 10.5 kilos.

With over 8 years of manufacturing Motorsport parts and a combined experience of over 60 years of automotive design, we truly believe our outstanding throttles solution will yet again, change the way you feel about your Porsche.

NOTE: The kit comes with a full colour installation guide which includes the fuel lines install details.This system has been designed to be a “bolt on kit” with absolutely NO modifications required to the car thus allowing it to be returned to its original condition.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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