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| | | Forums66 Topics128,018 Posts1,055,342 Members48,419 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | As I continue the restoration of my 64... I am looking to replace the two bolts (per side) that attach the upper A-arms. They go through the upper A-arm shaft assembly from the cross member and frame. They are hardened and splined as well. They are listed as item #7 of page 76 in the LMC catalog. http://www.lmctruck.com/icatalog/cbe/full.aspx?Page=76My concern is that some things that I have received from LMC have not been what I expected. Has anyone replaced these bolts? Where did you get yours? Were they what you expected. I don't mind ordering from LMC, I just want to make sure that what I am ordering is what I want. | | | | | Joined: Mar 2010 Posts: 207 Shop Shark | | Shop Shark Joined: Mar 2010 Posts: 207 | For $4 apiece you might as well take a look at them. You can always run down to ACE hardware and buy some Grade 8 bolts if you don't like them.
Tom 1965 Chevy C10, 230 straight six, 2WD, 4-speed manual
| | | | | Joined: Aug 2008 Posts: 403 Shop Shark | | Shop Shark Joined: Aug 2008 Posts: 403 | When using new bolts I would certainly get new lock washers and nuts and use Blue Loc Tight on the bolts also as extra assurance that will not back out on you. You can check out the Tractor/Equipment places for Grade 8 bolts that are not plated too. 62Blue Don
Last edited by Don G.; 10/20/2010 5:29 AM.
62Blue 62Chevy in progress You've never been lost until you've been lost at Mach3" Paul F Crichmore (Test Pilot)
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Looks like the right part to me. I would advise against using hardware store bolts for this application. The "bolts" are actually more of a stud, and require the splined part to lock them into place. They are also 1/2"-20 fine thread. I agree with new nuts and lock washers, but do not put locktight on them, that's overkill, and might upset the alignment mechanic when he goes to set camber/caster.
Bill Burmeister | | | | | Joined: Jun 2005 Posts: 15 New Guy | | New Guy Joined: Jun 2005 Posts: 15 | have you tried Classic Parts? formerly Chevy Duty.
| | | | | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | It is as LONGBOX55 says the are splined to lock them in place. As well I agree with the new nuts. However they are lock nuts so lock washers are not necessary. As well I forgot to mention that they are black anodized. At least mine are. With all of those points that is why I was wondering if anyone had ordered them from LMC. I just don't want to spend the money and then have to deal with eating the money or the return policy. By the way, I cannot find them on any other suppliers site. | | | | | Joined: Oct 2008 Posts: 321 'Bolter | | 'Bolter Joined: Oct 2008 Posts: 321 | Flat out LMC has screwed up too many of my orders for me to ever recommend them again. Classic Parts does not list the bolts on their website, but they do list them and the shims in the printed catalog. I would give them a call and see if they actually do still carry them. Part number from the catalog is: 74-372 - Control arm shaft bolt upper 74-381 - Control arm shaft shim upper
1963 Chevy C20 Longbed Stepside 1978 Chevy K30 Custom Deluxe
| | | | | Joined: Nov 2004 Posts: 1,552 Shop Shark | | Shop Shark Joined: Nov 2004 Posts: 1,552 | If you know someone in the Kansas City area, have them go to LMC, ask for the hardware in question, take a photo with their phone, picture mail it to you to make sure they are what you are looking for...problem solved!
Last edited by 4-5-6 Chevy Trucks; 10/24/2010 4:58 AM.
| | | | | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | Well actually, I did call LMC. The folks on the phone can only tell me what they see on the screen, which is that they are splined. They cannot say that they are anodized. But at least I am that far ahead. However they did say that they would put in a mock order so that they could be looked at and answer my questions before I order them. If you knew me you would know that I tend to be a bit an#l, however I just want to do it right the first time. That is why I am trying to make sure I get what I want. Even for something as small as a bolt and nut. | | | | | Joined: Jan 2007 Posts: 220 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 220 | Bears63 is on the money. I heard back from LMC. They identified their bolts as silver in color. I interpreted that to mean they were not cad plated. I did not want something that would likely rust. If I'm wrong I apologize in advance. However like Bears63 says Classic Parts has the part just not readily viewable on line. Of course with the part number I was able to punch it in and then it shows on line. I ordered 4 of them tonight. | | |
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