Here's some stock replacement that are the hypereutectic type and claimed as stronger than factory cast although forged would be preferred to help resist damage from potential detonation since stock heads yield around 10:1 compression.
http://cgi.ebay.com/ebaymotors/421-P...-/200309977778
They say all bore sizes are available. $398
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Last edited by PONTIAC LARRY; 06-17-2011 at 06:26 PM.
Reason: typo
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