Seller notes

Forged from 8620 AISI steel, hardness tested to insure strength and durability AISI carburized crank pin A.E. recommended Phosphor Bronze thrust washers Silver coated crank pin bearing Forced rod manufactured with copper coated surfaces to protect the rod beam from becoming brittle during the case hardening process Side scalloping and vent slots to minimize high rpm bearing race distortion Double forged to improve grain flow and maintain dimensional consistency Shot peened to eliminated surface ...

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