This TCI flexplate is a forged unit for 1991 to 1998 Gen VI Big Block Chevy engines with one-piece rear main seals, including 454 HO and 502 HO with steel forged crankshafts. It is externally balanced, SFI 29.1 approved, has a 168 tooth ring gear and a dual GM bolt pattern.
- Fits 1991 to 1998 Gen VI Big Block Chevy with one-piece rear main seal
- For 454 HO and 502 HO with steel forged crankshafts
- Externally balanced
- SFI 29.1 approved
- 168 tooth ring gear
- Dual GM bolt pattern
- Forged construction
- Part number: 399873
FAQ
What engines does the 399873 flexplate fit?
It fits 1991 to 1998 Gen VI Big Block Chevy engines with one-piece rear main seals, including 454 HO and 502 HO with steel forged cranks.
Is the 399873 internally or externally balanced?
It is externally balanced.
How many teeth and what bolt pattern?
It has a 168 tooth ring gear and a dual GM bolt pattern.

