Rear End Question - 89 K1500

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BlK89EXLB

OBS Enthusiast
Joined
Feb 20, 2013
Messages
50
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Location
Houston, Pittsburgh, Calgary
Trying to figure out what rear end I have I Checked my glove box, the tag is wore to much to see anything.
Specs on the truck;
1989 K1500 ECLB, Silverado trim, 5.7, 700R4, trans and oil coolers, cruise, A/C, standard non power mirrors, 6-bolt wheels, and originally had 245 series tires.
It has a factory hitch, manual windows and locks, an 80/20 bench, and tilt wheel w/ int. wipers.
I don't remember seeing skid plates but it has yellow bilstein shocks.

Any Idea on rear model / ratio?

Thanks in advance!
 
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