No love for the KB hypereutectic pistons? Aside from the needed larger gap on upper ring, which may be missed during assembly how bad can they be in a street engine?
Anyone used and broke them and why did they brake?
I have a set in my 421 with 4.16" bore, so far so good.
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1966 GTO Tri-Power
1970 GTO TheJudge
http://www.poci.org/
http://gtoaa.org/
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