TCI Auto 399757 LS Flexplate 6L80/90E Transmission 168 Tooth Internal Balance

The TCI Automotive 399757 flexplate is engineered specifically for GM LS engine applications paired with 6L80/90E transmissions. This precision-machined flexplate features an internal balance design with a 168-tooth starter ring, ensuring reliable engine-to-transmission power transfer in high-performance builds.

Key Features:

• Constructed from A514 Blanchard ground steel for superior strength and durability
• 168-tooth starter ring gear for positive starter engagement
• Internal balance configuration for LS engine applications
• 6L80/90E transmission bolt pattern for direct fitment
• .140" thickness for robust construction
• Neutral balanced design ensures smooth operation
• Precision machined to exacting tolerances

Designed to handle moderate to serious performance applications, this flexplate is built to withstand the demanding conditions of high-horsepower LS builds. The high-grade A514 steel construction and precision manufacturing ensure long-lasting reliability and consistent performance.