fat head valve angles

Discussion in 'PSI Superchargers Tech Questions' started by ta455, Aug 20, 2014.

  1. ta455

    ta455 Member

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    Is there a difference between 4,5,6 and what angle is it.Tried to check but didnt have the right tools but bae 4 looks like I 20 E 22 degrees.Anyone?
     
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