Yes, I have just mounted the front clip on my '60 and test fit the rest of the bolt holes on the inner fenders. The fenders will bolt up using the following OEM bolt:

5/16"-18x1" Hex washer head body bolt - Dog Point "black"

The local body and paint shop as these 25 to a box for $11.99
#942

When mounting the fender up, the front 4 upper-most bolts will pass through the fender and screw into the front cap. The lower-most bolt will pass through the cap and screw into the lower fender, "I" think this bolt is slight larger as was the top bolt for the cap to mpount to the radiator support. I have not measured it yet.

Jake


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