The HD on 36x14.50 Swamper STS's.
#12
You can look in your glove box where all the RPO codes are. Get the codes for 3.42, 3.73 and 4.10 from your dealer. Then just look through them and match one of them up. You will only see one of those three.
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ZO6Ted
GMT K2xx Trucks General Discussion
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Aug 12, 2015 07:50 PM




