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Old 05-20-2009, 04:37 PM   #1
Rogue_Sentinel
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what size of lug nut fits ?

what size of lug nut fits my 79 2x4 5 lug ? will this fit 12mm 1.50 ( ebay # 120422224139 ). thank you
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Old 05-20-2009, 05:17 PM   #2
lolife99
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Re: what size of lug nut fits ?

Lug nuts are standard 1/2" right hand thread.
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Old 05-20-2009, 05:19 PM   #3
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Re: what size of lug nut fits ?

They should be a standard thread, 1/2" RH thread.

I just found this out on the 1980 that I bought, every other older GM product I have had has been 7/16" RH thread, but these pickups have a heavier stud.

I'm assuming it is the same on your 79 and someone will correct me if I'm wrong.
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Old 05-20-2009, 06:32 PM   #4
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Re: what size of lug nut fits ?

Yup, the 5 lug are 1/2"-20 RH
and the 6 lug are 7/16'-20 RH
I am pretty sure that the Metric threads started with the 6 lug 1988 model trucks.
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Old 05-20-2009, 07:02 PM   #5
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Re: what size of lug nut fits ?

thank you guys
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