[SOLD] Speedmaster SB Dual Springs

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12many

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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.

3EBE7829-4CCE-4F5B-A633-F995D048CA55.jpeg


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6pak

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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
 

12many

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Never bothered checking how they were set up from SM. I removed them and installed something else. The only specs I know of are what I posted from SM.
 

j par

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I have them checked on my heads and the specs were very close if not spot on. I'd have to look...
 

K.O. SWINGER

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I'll take them if Garrett doesn't, or I'll give you 55.00 and nobody has to know anything. :lol:
 
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