Why Choose Us

We pride ourselves on serving a wide customer base with top quality products for use in most any application. All of our products are built with YOU in mind. We will take the time to listen to your needs and provide you with the appropriate products to make your project a success. We do most custom work in house as well as thoroughly evaluate each transmission on a modern dynamometer to insure proper pressure, shift feel and shift points. We also pride ourselves on selling components that work, and avoid the 'Trick of the Week' approach to transmission building. If you require a complete transmission package or transmission components, we can help. Speak to our friendly, knowledgeable salesperson about your project today!

Shop C4 Transmission parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. C4 Transmission parts in-stock with same-day shipping. John Kilgore Transmissions offers a new three-speed racing automatic that's stronger, lighter and quicker than a C4 and less power-robbing for quicker ET's. This light weight transmission is based on.

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We manufacture many of our products in house. Some products are made custom for each order received. Some parts may be in stock and can ship the next day. However, some items must be made to order and take a bit longer for you to receive. Lead times are dependent on current schedule and component availability. We will make every effort to ship your order as quickly as possible.

C4 Racing Transmission With Trans Brake

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Ford C4 Transmission Performance Upgrades

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'Everything works quicker.
The ET's are quicker, reaction times are quicker,
60 foots are quicker,
quarter miles are quicker, everything is faster.'
- John Kilgore

John Kilgore Transmissions offers a new three-speed racing automatic that's stronger, lighter and quicker than a C4 and less power-robbing for quicker ET's. This light weight transmission is based on the legendary Turbo 400 but has been redesigned with super lightweight internals to reduce drag and speed-up shifts. The key is in the direct drum that weighs a full five pounds less than a C4's and 15 less that a C6. Though dramatically lighter than the C6, Kilgore's transmission offers as much or more capacity. 5.0 Mustang race application is a snap with the available small-block Ford bell-housing.

In the Superlite transmission the forward & direct clutch assembles are in one housing, and always rotates with engine RPM. The complete housing assembly weights just 12 pounds and with aluminum steels it can weight as little as 9 pounds. That means it takes far less horsepower to run the transmission, so more power is available for acceleration. This is not rocket science! Less energy used by the transmission and more energy is available to the rear wheels!

Rebuilt C4 Transmissions For Sale

Lighter Parts = Quicker Starts

1000 Hp C4 Racing Transmission