TCI 399873 SFI Flexplate, 168-Tooth, External Balance, Gen V/VI Big Block Chevy

The TCI 399873 flexplate is designed for Gen V and Gen VI Big Block Chevy engines requiring a 168-tooth, externally balanced flexplate. Manufactured from durable steel, this flexplate provides a dependable connection between the engine crankshaft and torque converter for street, performance, and competition applications.

Built to meet SFI 29.1 requirements, the TCI 399873 offers added confidence for demanding high-performance use. Its external-balance configuration is engineered for compatible Big Block Chevy rotating assemblies, while the 1-piece rear main seal design supports proper fitment on applicable engine combinations.

Before installation, verify crankshaft, engine generation, balance configuration, torque converter, starter engagement, and flexplate bolt pattern compatibility. Proper installation should follow the engine and flexplate manufacturer’s recommended procedures, including the correct fasteners and torque specifications. The TCI 399873 is sold individually and is intended for applications using a 168-tooth ring gear.

Features:

• Brand: TCI
• Part Number: 399873
• Tooth Count: 168-tooth ring gear
• Material: Steel construction
• Safety Standard: SFI 29.1 compliant
• Balance: External balance
• Rear Main Seal Compatibility: Designed for 1-piece seal applications
• Engine Compatibility: Gen V and Gen VI Big Block Chevy
• Quantity: Sold individually