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what numbers are stamped on 5.3 liter heads??

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Old 08-10-2009, 12:05 AM
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Default what numbers are stamped on 5.3 liter heads??
i am looking in junkyards for them and want to know what they are stamped so i can identify them. thanks-J
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Old 08-10-2009, 12:19 AM
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Either 706 or 862; they're identical just have different casting numbers.
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Old 08-10-2009, 06:43 AM
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Depending on the year 243 and 799 also.
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