CA Need to convert your leaf spring rear axle to coils?

[67chevy1series]

I have the "perches" that are welded to the axle for the U bolt to go through to mount the trailing arms to the axle. These are brand new bare metal pieces. My brother got them for one of his 72's he used to have and he ended up trading the truck for a 66 el camino before he converted the rear of the truck to coils.
I would like 40 bucks for them, there small so probably 10 bucks shipped small flat rate box so a total of 50 shipped to your door. These aren't painted or rusted ready to be welded on a axle I can't post pics from my iPhone so I'm going to have to use my computer when I get home and upload some pics of the brackets.
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