TRW Hydraulic lifters

I don't think so. If they are untouched--not cleaned/sanded up with 1,000 grit sandpaper--those lifter would be great. But they might had rusted on the bottoms and somebody over the years may have cleaned them.

Sounds like he brought a large lot of items, not like it was in his basement for 20 years and he never got around to using them and now he is getting ready to die and is selling all his stuff to pay for his medicine, LOL.

The cheap stuff Summit has is more likely worst but the better items not. You also don't know why nobody ever used them all these years