Speedmaster SB Dual Springs

Speedmaster dual valve springs removed from new Speedmaster small block aluminum heads (for hydraulic flat tappet cams)
Brand new.

Specs For Springs As Suppled by Speedmaster:

1.45” Outer OD
1.060” Coil Bind
.834” Inner ID
145lbs @ 1.900” installed height
Closed pressure= 145lbs
Open pressure= 360lbs

These are $50 shipped. PayPal only, in full. No payment plans, down payments, holds, life stories etc.

View attachment 1715916784

View attachment 1715916785

are those measured spring pressures? - and what was the open pressure height?
Thx