Flexplates Stock or Inertia or SFI

New 330-455 Flexplates. Available in stock or SFI( Inertia (external or internal balanced) or non Inertia (external or internal balance). Specify style at checkout. Pictured are SFI non Inertia and SFI Inertia. Use an Inertia flexplate for harder launches and less RPM drop between shifts.