To my knowledge they should be the same but I don't know for sure.
I have a '95 GS-R power steering pump in my garage if you want me to get you some pictures and measurements of it (you can at least visually compare the two). If you want 'em, let me know and I'll go find it.
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Andy - Reinstated
Hybrid Forum Moderator
'06 Subaru Legacy Spec B - Stock, for now
'98 Civic EX - CTR headlights and grill, Kosei K1's, for sale
'90 240SX - SR20DET that will never get installed, project car.