8-Bolt Crankshaft Adapter Kit LSA/LSX 454 19125597

- Use with LSX454 & LSX376-B15 with 8-bolt crankshaft flange
- Includes flexplate, adapter hub and hardware
- Provides the correct converter pilot support for production 4L80/85 style torque converters
- Conventional 6-bolt flexplates do not bolt up to LSX454 engines