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Old 07-12-2005, 12:13 AM   #1
GMC69mnypit
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Join Date: Jan 2005
Location: South of Hays, Kansas
Posts: 40
402 head #'s???

Hey, does anybody know the more popular Head casting #'s used on our generation 402's? Or, if not the casting numbers themselves, were ours usually oval/square/peanut port, valve size, runner cc, open/closed chamber etc? Any info would be appreciated.

Thanks,
Brandon
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