TCI 399853 SFI 168-Tooth Steel Flexplate for GM LS-Series Engines

Upgrade your GM LS-series drivetrain with the TCI 399853 flexplate, engineered for reliable power transfer and performance-focused applications. This steel flexplate features a 168-tooth ring gear and is designed for engines using an internally balanced rotating assembly. Its durable construction provides dependable service in demanding street, strip, and performance environments.
The TCI 399853 is built to meet SFI 29.2 specifications, making it a suitable choice for applications that require certified flexplate protection and performance standards. The precision-engineered design supports consistent engagement with the starter and helps maintain reliable operation under high-load conditions. Verify engine, transmission, crankshaft, and converter compatibility before installation.
This GM LS-series flexplate is supplied individually and is intended for applications requiring an internally balanced configuration. Use the TCI brand and part number 399853 when matching replacement or performance drivetrain components. Professional installation is recommended, including proper fastener selection, torque procedures, and inspection of crankshaft and torque converter mounting surfaces.

Features:

• 168-tooth ring gear supports compatible GM LS-series starter and drivetrain configurations

• SFI 29.2 certified for performance applications requiring approved flexplate protection

• Durable steel construction provides strength for demanding operating conditions

• Internally balanced design matches GM LS-series engines with internal crankshaft balance

• Designed for reliable engagement between the starter, flexplate, and torque converter

• Brand: TCI

• Part Number: 399853

• Quantity: Each