You have no items in your shopping cart.
Monday thru Friday 7:00 am to 5:00 pm CST
Texas - Central Time
At Circle D Transmission, we understand that performance enthusiasts demand more from their vehicles, especially those equipped with the powerful and capable 8L90 transmission. Since 1976, we have been at the forefront of transmission innovation, specializing in custom modifications and billet upgrades that enhance reliability, power, and performance. Whether you're looking to boost your vehicle’s speed, towing capability, or overall driving experience, Circle D Transmission is here to transform your 8L90 Please select one of the options below for more information.
1. Chevrolet Corvette (C7 Z06) The C7 Corvette Z06 is already a performance icon with its supercharged 6.2L V8 engine. When paired with an upgraded 8L90 transmission, this sports car unleashes even more potential. With custom modifications, billet upgrades, and specialized clutch packs, your C7 Z06 can benefit from improved acceleration and track reliability. Whether for the drag strip or the road course, Circle D Transmission helps you achieve seamless, high-speed shifts that push the boundaries of your Corvette’s capabilities.
2. Chevrolet Camaro SS Known for its raw muscle and high horsepower, the Camaro SS with its 8L90 transmission can be pushed even further with performance modifications. By opting for our performance rebuild, you can experience smoother gear transitions, reduced transmission slippage, and quicker shift response times. Enhanced durability means that even under the stress of high RPMs and heavy torque, your SS will maintain its edge without compromise.
3. Cadillac Escalade V-Series The luxury of a Cadillac Escalade paired with the precision of an 8L90 transmission offers an unrivaled driving experience. However, if you’re looking to amplify power delivery and handling for more spirited driving or towing capability, our custom modifications are perfect for you. Our transmission upgrades ensure that your Escalade maintains the luxury ride you expect while delivering extra performance when you need it most.
4. GMC Sierra Denali 6.2L For truck enthusiasts who value both power and utility, upgrading the 8L90 transmission in your GMC Sierra Denali can transform your truck into an unstoppable force. With our heavy-duty transmission upgrades, including billet shafts and reinforced clutch packs, your Sierra gains enhanced towing capacity and stronger acceleration for off-road or worksite challenges. Trust Circle D Transmission to ensure that your Denali remains reliable even when pushed to its limits.
5. Chevrolet Silverado High Country Owners of the Silverado High Country know the importance of performance and reliability. Our 8L90 upgrades cater to those who rely on their trucks for more than just daily driving. With custom performance transmission rebuilds and reinforced internals, your Silverado will gain improved low-end torque delivery and smoother shifts under load. Our transmission packages are designed to handle the demands of heavy towing and prolonged high-performance use.
6. Cadillac CTS-V This luxury sport sedan is known for its high output and refined engineering. By upgrading its 8L90 transmission, you can make the CTS-V even more formidable. Our billet upgrades and performance rebuilds ensure that power delivery remains consistent, even when pushed during spirited drives. With a focus on reliability and seamless power transfer, Circle D Transmission helps your CTS-V stay ahead of the competition.
Why choose Circle D for your 8L90 transmission rebuild? The answer is simple: we’ll get the job done right. Our team specializes in Ford and GM rear-wheel drive high-performance transmissions.
Transmission rebuilds aren’t just our business—they’re also our passion. We love what we do and it shows in our service.
Circle D Transmission has expanded over the years, from our beginnings as a two-bay shop to becoming the go-to destination for Houston locals who need transmission rebuilds. These days, you’ll find our high-performance transmission parts and rebuild services for transmissions available worldwide.
As a small, family-owned business, we’re thrilled to know that our transmission rebuilds and parts are being used in vehicles near and far. Contact our team today to learn more about our 8L90 performance transmission rebuild services or submit our high-performance vehicle questionnaire to start the process.
Stay Safe and Have Fun!
The Crew at CDT
