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Old 09-23-2023, 08:27 PM
wvhylander wvhylander is offline
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Default Holley PV Check Ball

I have a 850DP base plate I want replace with a 750DP base plate. The only difference is the check valve for the rear PV. 750 doesn't have one 850 does, Holley is closed can't ask them. What is the purpose of the check valve?
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