A 1/2 ton king pin set uses ball bearings (right side of Buoymaker's first pic.) You need to send the one you got back and get the proper king pin set. They should be the same GMC or Chevy.


Kevin
1951 Chevy 3100 work truck
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Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.