Power valves (101) class !!!

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Unless you are making over 1k for power you don’t need the 4 window PV’s. Of course, they hurt nothing and if they cost the same I’d get the 4 window PV’s.
 
Ok thank u and
I'm not even close to 1000 HP.
From What I can gather all Holley brand are 2 door and and 4 door High Flow is aftermarket?
Thanks again
 
I use the quick fuel 4 window. They hold up well in today's pump gas and are a quality part.
 
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