REPLACEMENT CENTER BOLT FOR TYPE-B/F BLOCK ADAPTER, ENG: 3/4-16UNF - (12401145)

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12401145 - Replacement Center Bolt For Type-B/F Block Adapter 

Fig.2

Replacement -10AN (male) Center Bolt  with 28mm O-ring for Type B or Type F Oil Block Adapters.   3/4-16UNF (female) to Engine