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The 8l90 transmission is a GM-engineered automatic built for strength, smoothness, and efficiency. Designed to handle high-torque engines while maintaining seamless shifts, it’s a popular choice in performance cars, trucks, and SUVs. Our 8L90 transmission units are thoroughly tested for clutch durability, valve body accuracy, and fluid channel integrity to ensure OEM-level reliability. Whether you’re replacing a worn-out unit or upgrading for better drivability, each transmission is backed by warranty support, making it a safe, cost-effective investment.