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I have a pair of 71 big valve J heads that have been disassembled and checked for cracks and they are free of cracks. There was one repair needed due to corrosion on one exhaust port divider. Repair was done professionally by a local machine shop. $200 plus shipping from 49341. These are heavy and I just shipped a similar set of heads through fastenal from Michigan to Florida and it was $175 for shipping them that far.















