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.
In package - 1 x Flexplate Adapter Spacer
For use on 1998-04 LS1 based engines using a TH350 or TH400 transmission.
Description
When installing a Th350, Th400, Powerglide 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.