LS Flexplate Spacer is for use on 1998‑04 LS1 based engines using a TH350 or TH400 transmission while you use a curved flywheel
Crankshaft Adapter is needed because the snout on the center of the torque converter is what centers it in the crankshaft. Help reduce vibrations/damage.
Installs into the LS crankshaft to provide support for torque converter hub;keeps from possibly damaging the input shaft of your transmission
Flexplate adapter spacer has good ductility, conduction and thermal conductivity, and has strong ferromagnetic
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