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Welcome to Circle D's Performance page. We specialize in Ford, GM and Dodge rear-wheel drive performance transmissions. We pride ourselves in staying in the forefront of our industry, technology, research & development and our commitment to you, the customer. With our full machine shop capabilities, ASE certified technicians and over 35 years of experience, we can get your horsepower to the pavement where it belongs. From custom show vehicles, street & strip, mild to wild, we can build and custom tune your transmission. We also specialize in extreme duty diesel transmissions — from towing giant loads to blazing the drag strip.
We specialize in transmission repair and maintenance of automatic transmissions, standard transmissions, differentials & transfer cases.
Since 1976, we have served clients from Houston, Katy, Spring, Cypress, Tomball, Galveston, Clear Lake, Waller, Spring Valley, Hempstead, Willis, Magnolia, Bellaire, Jersey Village, The Woodlands, Sugarland, Conroe, Montgomery and beyond!
You've found a family owned & operated facility that genuinely cares about you and your vehicle's repair. Give us a try and you will experience the Circle D difference!