Chevrolet Performance’s Supermatic 10L90-E ten-speed transmission
offers a technologically advanced balance of performance and efficiency
when matched with LT1 and LT4 crate engines. The kit features a slip
yoke-type tail shaft, allowing it to be used with the conventional prop
shaft design used in most older vehicles.

Additional highlights:
• Electro/hydraulic controls with clutch-to-clutch shifting
• Four gearsets and six clutches: two brake clutches and four rotating clutches
• 7.39:1 overall gear ratio spread
• Aggressive 4.70:1 first gear for enhanced off-the-line performance
• Three overdrive gears, with 0.64:1 top gear ratio
• Output torque rating of 650 lb.-ft.
• Includes torque converter and controller
• Includes cooler line adapter with #6 AN fittings
• Includes production-style vent tube
• Must be used with compatible engine controller