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Can someone please help?!

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Old 02-28-2017, 12:12 PM
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Also, is there anyway to tell whether i have rectangular heads or the cathederal style before i take everything apart or nah?
Old 02-28-2017, 12:19 PM
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All 5.3 come with cathederal port heads. The stamped number will be 243/799 about 95% of the time on a GEN 4 motor.
Old 02-28-2017, 01:06 PM
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My hero. Just made my life alot easier



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