TCI® GM 4L60E Bolt-Together Torque Converters

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Ashland, MS – New GM 4L60E Bolt-Together Torque Converters from TCI® are high-stall, lock-up units featuring a bolt-together billet design, triple-disc lock-up assembly and patent-pending lock-up control technology.

Building off the success of their bolt-together torque converters for GM 6L80 transmissions, TCI® engineers have now developed a complete line of triple-disc, bolt-together converters for the 4L60E from General Motors. These new converters feature an increase in stall speed over stock options, thereby increasing torque multiplication and allowing the engine to get into its powerband sooner. This results in improved vehicle launch and overall performance. Integrating the same patent-pending technology found on the 6L80 bolt-together converters, the 4L60E options seamlessly apply the triple-disc lock-up clutch, even during wide open throttle. The high torque capacity lock-up clutch features friction material specifically tailored for the most demanding applications while preserving drivability. And thanks to the bolt-together design, stall changes and service of frictions and bearings can be performed at home. There is no need to send the unit back to TCI®. The converters are hand-assembled for precise tolerances, and feature hand-tig-brazed impellers and fully furnace-brazed turbines for maximum strength. Each unit is HDT™-coated to prevent corrosion and help dissipate heat, and all go through the legendary TCI® Triple Testing process. These converters are the best bolt-on upgrade for any vehicle equipped with a 4L60E transmission. TCI® GM 4L60E Bolt-Together Torque Converters work with LS-based 4th Gen F-Body applications; 2004-2005 Pontiac GTOs; 1998-2002 4L60E F-Body LS1 applications; and 1999-2006 4L60E/4L65E trucks with 4.8, 5.3 or 6.0 engines.

Quick Facts

Product: TCI® GM 4L60E Bolt-Together Torque Converters
Part Numbers: #242991 (2800-2900 RPM Stall); #242992 (3200-3300 RPM Stall); #242993 (3600-3700 RPM Stall); #242994 (4100-4200 RPM Stall)
Street Price: $899.97

Social Media Pitch: Triple-disc, TCI® GM 4L60E Bolt-Together Torque Converters improve vehicle launch & performance while allowing for easy stall modifications

Features & Benefits:
•High-stall, triple-disc converter design improves vehicle launch & overall performance while increasing lock-up torque capacity
•Bolt-together design allows users to replace roller bearings & lock-up components – enables both easy stall changes & rebuilds
•Each unit is hand-assembled for precise tolerances; feature hand tig-brazed impellers & fully furnace-brazed turbines for maximum strength
•Best bolt-on upgrade for GM4L60E applications—most ET gains for the money