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**kwmech** · 09-10-2021, 07:43 PM

How much longer does the stud need to be? According to my dorman book the .623 is correct. The 610.300 stud is longer but is missing the first 3 threads. The next longer size up is a 610-347 with a .625 knurl which will press in fine. It is shy of 3'' long by 1/8''

09-10-2021, 07:43 PM	#2
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,405	Re: what is the 1975 c30 dually front wheel stud Knurl size? How much longer does the stud need to be? According to my dorman book the .623 is correct. The 610.300 stud is longer but is missing the first 3 threads. The next longer size up is a 610-347 with a .625 knurl which will press in fine. It is shy of 3'' long by 1/8'' Last edited by kwmech; 09-10-2021 at 07:48 PM.