Not quite hitting the mark Ben, but here is link to side by side pic of '83 up carrier bars, 2wd vs syncro. They are different.

alistair

On 2013-05-15, at 10:22 AM, Ben wrote:

> Hi Mark,
> 
> Do you have a pic of the bars side by side? I have a few of these bars. Just trying to identify them.
> 
> BTW, my buddy bought a used I-4 conversion. They used diesel bars and oilpan but fabricated the passenger side aluminum support out of 1/2" plate. Amazing looking and did not appear a backyard mechanic can cobble together. Got me wondering if the parts was some obscure diesel Vanagon part or from an aftermarket source.
> 
> 
> BenT
> 
> On May 15, 2013, at 10:03 AM, mark drillock <mdrillock@COX.NET> wrote:
> 
>> Since most people want to convert a different year and
>> since 83 diesel Vanagon parts are much less common than 82 diesel parts,
>> most people will have more issues to overcome to convert their
>> waterboxer van.