Assuming SAS Studio doesn't run out of memory
you want to use the OUTSTAT= option of PROC PRINCOMP and then this OUTSTAT= data set will contain the eigenvectors in that data set, listed next to _TYPE_='SCORE', you are looking for _NAME_='Prin3' and _NAME_='Prin4'
https://documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=statug&docsetTarget=statug_princomp_details02.htm&locale=en
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