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-   -   PAC 1409X valve springs (https://classracer.com/classforum/showthread.php?t=89022)

e vassar 02-06-2025 11:34 AM
PAC 1409X valve springs
 
Im thinking these might be a good choice for my LS1 stocker..
Opinions?

Matt@PAC 02-06-2025 12:15 PM
Re: PAC 1409X valve springs
 
The 1409X has been a successful spring in the LS stocker engines.

1320racer 02-06-2025 12:42 PM
Re: PAC 1409X valve springs
 
You should look at PSI as well

west coast 02-08-2025 04:18 PM
Re: PAC 1409X valve springs
 
Hey Matt have a question about a valve spring that I would rather not ask here will pm you.


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