Crane Valve Springs

[AllBlackLt1]

I have some crane valve springs that I ran on my Le cam only setup ,
at the very very most they have 5,000 Miles on them .
still in good condition ,
comes with all 32 retainers ready to go on your heads
I bealive they are part # 10309-1
im asking $150 Shipped
thanks !

[Z28_Jay]

If still available I'm interested what are the specs on these springs and do they work with stock length valves?