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Old 08-07-2020, 03:13 AM   #11
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Default Re: Best in class head

Originally Posted by Jack Shaft View Post
Riccardo design is good..Winfield red 7 to 1,Simmons 5.5 to 1..

7 to 1 So if you stick this head on a bone stock 40hp engine, how much of a boost in hp would you get?

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