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Author Topic:   sbc valve length
dode
Dirt Freak

Total posts: 417
posted November 12, 2002 09:14 AM UIN: 13209501
What is the stock length of small block chevy valves (exhaust in particular), and how is it measured when the valve had a dished end? Thanks.

John

KPLugnut
Dirt Freak

Total posts: 408
posted November 12, 2002 10:25 AM
4.910", and it's measured (as far as I know) as the total length as if the valve is sitting on the table standing up.

Somebody correct me if I'm wrong there, tho. It's either measured that way or from the actual seat surface to the stem tip...

KPLugnut

Racer14K
Dirt Freak

Total posts: 247
posted November 13, 2002 05:24 PM
Pretty close there KPLugnut,
Chevy used three different length's on exhaust valves:
4.90"
4.92"
4.93"

They are measured overall (tip-to-tip)

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