New! 1.46 valve springs

I have for sale 16 of each of the following;

Hyd. Cam Valve springs at 1.46 diameter (specs below.)
Steel Retainers
1 grove locks

This, I will sell as a package only. They came off of my wife’s ProMaxx cylinder heads in flavor for what I need to have on them. These are (again!) New, never used with the following specs;

Hydraulic Flat Tappet .575 max lift
Closed ………………….. 115 lbs. @ 1.800”
Open ……………………. 310 lbs. @ 1.225”

I don’t know who’s springs these are, they could be?
Comp Cams springs or Crane springs?
??? Edelbrock’s springs ????
I don’t know so I don’t know the spring rate.

$85 shipped in USA
Pay pal OK.