TCI 399174 SFI Flexplate for Small Block Chevy V8, 153-Tooth, Internal Balance

The TCI 399174 flexplate is designed for Small Block Chevy V8 applications requiring a dependable, SFI-certified connection between the engine and automatic transmission. Built with a 153-tooth ring gear, this flexplate supports compatible starter and drivetrain combinations while providing reliable engagement during repeated street, strip, and performance use.

Constructed from durable steel, the TCI 399174 flexplate features internal balancing for engines configured with an internally balanced rotating assembly. It is engineered for use with a one-piece rear main seal and is intended for applications that match the corresponding crankshaft, transmission, starter, and bolt pattern requirements. Verify vehicle and engine compatibility before installation.

With SFI 29.1 certification, this flexplate is suitable for performance applications where tested component standards are important. Its precision-focused design helps maintain consistent operation under demanding conditions, while the steel construction provides the strength needed for reliable power transfer. This flexplate is sold individually and is an appropriate replacement or upgrade for compatible Small Block Chevy V8 builds.

Features:

• Application: Designed for compatible Small Block Chevy V8 engines
• Tooth Count: 153-tooth ring gear
• Safety Certification: Meets SFI 29.1 specifications
• Material: Durable steel construction
• Balance: Internal balance design
• Rear Main Seal: Compatible with one-piece rear main seal applications
• Quantity: Sold individually