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Old 01-22-2021, 06:05 PM   #1
wesmigletz
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Source for front upper control arm bolts

I'm looking to replace the cross shaft bolts in my C10 due to rust on the threads.

Who sells the replacement bolts to hold the upper control arms to the crossmember?
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Old 01-22-2021, 06:29 PM   #2
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Re: Source for front upper control arm bolts

After some 50 years it's quite possible that they may have been replaced in the past with a larger splined version. So to be sure of the spline size I would remove one and measure it before purchasing any replacements.
LMC has a listing for them, but some folks had problems with fitment, likely from the originals being replaced in the past by a front end repair shop. If the repair shop spun the bolt with a an air ratchet they would just drill the hole larger and replace it with the next larger spline. Back in the day some shops installed new bolts as part of the front end rebuild.
Dorman, NAPA, and ARP carry many sizes.
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Old 01-22-2021, 11:46 PM   #3
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Re: Source for front upper control arm bolts

They only show u-bolts for lower shafts, but it's a start. I'd also call H&H in Arkansas.
https://www.performanceonline.com/19...m-Cross-Shaft/
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1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
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Old 01-23-2021, 10:27 AM   #4
OL SKOOL
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Re: Source for front upper control arm bolts

Are these the bolts your asking about?
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Old 01-23-2021, 04:14 PM   #5
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Re: Source for front upper control arm bolts

Man, how stupid of me. Don't know what the heck I was thinking.
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1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
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Old 01-25-2021, 10:33 AM   #6
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Re: Source for front upper control arm bolts

Quote:
Originally Posted by OL SKOOL View Post
Are these the bolts your asking about?
Thank you, yes, these are the ones I need.
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Old 01-25-2021, 10:35 AM   #7
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Re: Source for front upper control arm bolts

Quote:
Originally Posted by MikeB View Post
They only show u-bolts for lower shafts, but it's a start. I'd also call H&H in Arkansas.
https://www.performanceonline.com/19...m-Cross-Shaft/
Thank you, I will check with H&H.
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Old 01-25-2021, 11:00 AM   #8
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Re: Source for front upper control arm bolts

The ones i have in the pics were from LMC. I put in a new to me front crossmember and it already had new upper bolts in it.
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Old 01-25-2021, 11:41 AM   #9
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Re: Source for front upper control arm bolts

Quote:
Originally Posted by OL SKOOL View Post
The ones i have in the pics were from LMC. I put in a new to me front crossmember and it already had new upper bolts in it.
Thank you, I found them. Item number 8.


https://www.lmctruck.com/1967-72-che...-2-wheel-drive
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