im not sure what crack there is im replaceing the shackles with ones from a 1962 c60 to replace the ones that are wore throught il use #8 harden steel bolts to replace the riviets http://s427.photobucket.com/albums/pp359/oldwestrnwear/?action=view&current=scan0033.jpg


1963 Chevy C60 Apache Dump Truck
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