LS1 Flexplate Adapter Spacer TH350 TH400 Conversion Swap LS2 LS3 LS6 5.3 6.0 LS7

LS1 Flexplate Adapter Spacer for GM TH350 TH400 Conversion for 1998-04 LS based engines using a GM TH350 or TH400 transmission When installing a Th350 o 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. Installs into the LS crankshaft to provide support for torque converter hub Strict quality control standards to build and test