TCI 399273 SFI Flexplate for Small Block Chevy V8, 168-Tooth, Internal Balance

The TCI 399273 flexplate is designed for Small Block Chevy V8 applications requiring a durable, SFI-certified connection between the engine and automatic transmission. Featuring a 168-tooth ring gear and internal balance, this steel flexplate supports reliable power transfer while helping maintain proper engine balance. It is engineered for use with two-piece rear main seal configurations and is suitable for performance street, racing, and drivetrain applications.
Built to meet SFI 29.1 specifications, the TCI 399273 provides a dependable foundation for high-performance engine combinations. Its steel construction is designed to withstand repeated acceleration, engagement, and vibration, while the integrated ring gear supports consistent starter operation. The internal-balance design makes it important to match the flexplate to an internally balanced Small Block Chevy V8 setup for proper installation and operation.
The TCI 399273 flexplate is supplied as an individual component and is intended for builders, technicians, and enthusiasts seeking a quality replacement or upgrade for compatible Chevrolet V8 drivetrains. Always verify crankshaft balance, rear main seal configuration, transmission compatibility, and fastener requirements before installation. With its application-focused design and SFI 29.1 certification, this TCI flexplate delivers the fitment and durability expected in demanding drivetrain environments.

Features:

• 168-tooth ring gear supports compatible automatic transmission and starter combinations

• SFI 29.1 certified for qualifying performance and racing applications

• Steel construction provides strength and durability under demanding drivetrain conditions

• Internal-balance design for compatible Small Block Chevy V8 engines

• Designed for engines using a two-piece rear main seal

• Application-specific fitment for Small Block Chevy V8 platforms

• Sold individually