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Original Message
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RE: 66 XL 390 I.D. heads. |
By Tony P. - 05/21/2004 10:47:06 AM; IP 68.15.59.197 |
Yeah, I can see why you would have a hard time believing it if your book says they are 63 427 low riser heads because that is what they are according to the casting # Pull a valve cover and get the date code. |
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This thread, so far...
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