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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Your guides were improperly installed and I've seen quite few of these over the years.
The head with small crack at the guide boss can be repaired, but the other head should be discarded since that will propagate to the seat. Although those can be welded, such cracks are tough to reliably repair and I would not use it.
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