350 heads 3998993 heads?

[vernyenger]

i need info on a 350 3998993 heads i know they are 75 cc shoot me a link or two i wanna know anything about them

 

[Kacey]

http://answers.yahoo.com/question/index;_ylt=Aodzt5Kgdul9bFoeDJDNK.7SxQt.;_ylv=3?qid=20090318193640AArNOoE

 

[MEAXpliciT]

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