Fastduramax Posted March 22, 2021 Share Posted March 22, 2021 Upon much research I have come down to these 2 hub numbers, HR605K obsolete new (non ABS) And the new number HR819K can someone confirm if these are the correct hubs for my truck... 88 RD 688S 18 front, maybe 20 I never figured out how to distinguish an 18 from a 20... Thanks ! Quote Link to comment Share on other sites More sharing options...
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