TCI 399774 SFI Flexplate, GM 168-Tooth, 1-Piece Rear Main Seal, Internal Balance

The TCI 399774 SFI flexplate is designed for small block Chevy applications using a GM 168-tooth flexplate pattern and a 1-piece rear main seal. Built from durable steel, this internally balanced flexplate provides a dependable connection between the engine and automatic transmission while supporting consistent drivetrain performance in demanding street and performance applications.
The flexplate is certified to SFI 29.1 standards, making it a suitable choice for builds that require a recognized level of safety and durability. Its 168-tooth design is matched to compatible GM starter and torque converter configurations, helping ensure proper engagement and installation when used with the correct supporting components.
This TCI flexplate is engineered for internally balanced small block Chevy engines and is intended for use with 1-piece rear main seal setups. Verify the engine balance configuration, rear main seal style, starter compatibility, and torque converter bolt pattern before installation. Supplied individually, the TCI 399774 combines application-specific fitment with the strength needed for performance-focused drivetrain builds.

Features:

• Brand: TCI

• Part Number: 399774

• Flexplate Type: SFI-certified performance flexplate

• Tooth Count: 168-tooth GM design

• Material: Durable steel construction

• Balance: Internal balance

• Rear Main Seal Compatibility: Designed for 1-piece rear main seal applications

• Application: Small block Chevy engines

• Certification: Meets SFI 29.1 requirements

• Quantity: Sold individually