LS1 Flexplate Adapter Spacer for GM TH350 TH400 Conversion

When installing a Th350 or Th400 behind a LS engine while using a curved flywheel you'll need this adapter spacer.  The spacer will center the nose of the converter to the curved flexplate.  

For use on 1998-04 LS1 based engines using a TH350 or TH400 transmission.