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Karl Owens · 02-07-2014, 08:20 AM

It makes no sense you cant run an aluminum copy of a factory head but you can use a canted valve SBC head which resembles nothing close to a production head.

What about IHRA?

Super Stock production classes?

02-07-2014, 08:20 AM	#7
Karl Owens Junior Member Join Date: Dec 2009 Posts: 69 Likes: 0 Liked 1 Time in 1 Post	Re: SS/AM Questions? It makes no sense you cant run an aluminum copy of a factory head but you can use a canted valve SBC head which resembles nothing close to a production head. What about IHRA? Super Stock production classes?