Without HD.. Most people want you to remove yours and send out for overhaul at $160, not a bad price. Also if you can get Rock Auto up there...
https://www.rockauto.com/en/catalog/chevrolet,1984,corvette,5.7l+350cid+v8,1041196,steering,rack+and+pinion+complete+unit,7388
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ASE Master Certified, L1 Certified, Owner/Tech
Track Day Rat
80 4Speed
96 LT4
If you're never out of control you're not driving fast enough