trying to find oil pump relief spring please assist

Ok. I do appreciate the responses.
Surely dont mind spending a few bucks to get my spring or achieve the goal in another fashion. Whats a few more $. Up to my elbows in pricey new parts already.

I Really want to pursue this 65-70lb pypass pressure thing.

Machinist I spoke to mentioned using 3 washers with a specific combined ht for the 3. I'd rather change the spring as my book has indicated.

Thnx
use to use the washer deal on my 406 sbc---bob