The TCI 399373 is a forged flexplate for Chevrolet 400 engines. It is externally balanced with a 168-tooth ring gear and a dual GM bolt pattern. The unit is SFI 29.1 approved and suits stock to mild performance applications.
- Application: Chevrolet 400 engines
- Balance: External
- Ring gear: 168 tooth
- Bolt pattern: Dual GM
- Construction: Forged
- Certification: SFI 29.1 approved
- Part number: 399373
FAQ
What engine does the TCI 399373 flexplate fit?
It is built for Chevrolet 400 engines that use an externally balanced rotating assembly.
What bolt pattern does the 399373 use?
It has a dual GM bolt pattern with a 168-tooth ring gear.
Is the 399373 SFI approved?
Yes. It is SFI 29.1 approved.

