Champion head specs (TTA not GN)

Harland sharp 1.7 ratio
you need to clearance the valve covers to use these
I can post pics of this if you like
 
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here are some before and after pictures of the valve cover mods
 

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1fastcobra

Well-Known Member
Did that 10yrs ago.
But thanks for posting the how too
Great for people doing the rockers
Posted from the TurboBuick.Com mobile app
 
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