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#1 |
Registered User
Join Date: Feb 2003
Location: Bismarck, ND
Posts: 118
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K10 rear sport bumper brackets
I ordered a set of rear brackets for my 67 K10 long/fleet from classic parts. Part number 65-348B, intended to fit a 4x4, but they do not fit. I've searched this site and it appears to be a common issue and I'm told that 2wd brackets for trucks with coil springs will work. This photo is from another member, the top bracket is what I ordered and does not fit the bottom is what I believe I need. Can anyone confirm this? Also, if anyone has a bracket could you post the measurements for the bolt holes, red and yellow marks?
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1967 Chevrolet 1/2 ton 4x4 1972 GMC 1/2 ton 4x4 2005 1500 4x4 Suburban 2004 GMC Envoy 4x4 (wife's) |
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#2 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,717
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Re: K10 rear sport bumper brackets
The coil spring brackets are the ones you need.
The top bracket in your picture is for SHORT BED leaf spring trucks or blazers. (Because the rear leaf spring mount is so close to the end of the frame rail) All other applications take the lower bracket in your picture.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#3 |
Registered User
Join Date: Feb 2003
Location: Bismarck, ND
Posts: 118
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Re: K10 rear sport bumper brackets
Thanks. Sure seems like alot of vendors are messing people up by advertising these as brackets needed for a 4x4. The others are listed as 2wd so I never thought I'd need those. Thanks again.
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1967 Chevrolet 1/2 ton 4x4 1972 GMC 1/2 ton 4x4 2005 1500 4x4 Suburban 2004 GMC Envoy 4x4 (wife's) |
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#4 |
Registered User
![]() Join Date: Apr 2021
Location: Mount Pleasant, Michigan
Posts: 477
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Re: K10 rear sport bumper brackets
I to need for a k10, would it be possible to get correct part numbers for brackets needed?
Or if anyone has any used GM brackets for a k10 I would be interested im those as well. |
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#5 | |
Senior Member
![]() ![]() Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,385
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Re: K10 rear sport bumper brackets
Quote:
The shorter inner brackets are a 5" bolt pattern, the longer brackets are 7" or 7.1", can't remember. The frame's bolt pattern for a 2WD SWB with leaf springs is 5.3". At least for a 1971 it is. For what worth, I believe the sport bumper should be near 8", measured from the frame rails.
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly guide (kit) for restoring this truck from the ground up, complete with details including full hardware descriptions. Much of the info. applies to all 67-72 GM. My build thread, with some info. about the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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