Fender bolt size

Technical Question and Answer - On topic to 71-74 Plymouth B-bodies only.

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71Beeper
GTX (RS)
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Fender bolt size

Post by 71Beeper » Tue Jul 23, 2019 1:23 pm

Guys - what is the thread size and length for the fender bolts?
I'm trying to round up some speed nuts and need the thread size.
I might as well get new fender bolts too
Thanks.

71_bronze_gtx
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72 cuda repli-mod
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Re: Fender bolt size

Post by 71_bronze_gtx » Wed Jul 24, 2019 8:12 pm

Assuming you are referring to the bolts going into the inner fender (apron) and core support, these are 5/16 - 18, and I believe 1-1/4" long, although 1" is probably long enough. You are aware that these had captive "fender" washers?

71Beeper
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Posts: 691
Joined: Mon Dec 27, 2010 5:27 pm
My Cars: 1971 Satellite
Location: Stoney Creek Ontario Canada

Re: Fender bolt size

Post by 71Beeper » Thu Jul 25, 2019 6:48 am

Yes, those are the ones I'm referring to - Thanks 71_bronze_gtx.
Yes, I do know about the captive washers.
I wasn't sure of the thread size tho.

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