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The FTI Performance TH400 Level 4 Transmission TH400-4S is a high-performance automatic transmission built to handle demanding horsepower and torque levels. Designed around the legendary GM Turbo-Hydramatic 400 platform, this Level 4 performance transmission delivers strong internal durability, reliable shifting performance, and dependable drivetrain operation for race builds and high-performance street vehicles.Add to cart
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The Gearstar Performance Transmission Automatic Transmissions GS4L65EL4 is a high-performance automatic transmission designed for vehicles requiring a strong and reliable 4L65E transmission platform. Built for durability and consistent performance, this transmission is engineered to support powerful engines and demanding driving conditions. It is commonly used in performance builds, street performance vehicles, and replacement transmission applications where dependable power transfer and long-term reliability are essential.Add to cart
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- 5 Years Guarantee
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