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Friend of mine just bought an 04 2500HD Duramax. He also bought 20" rims with some 34.5" tires. With the offset of the rims he rubs just a tad with 1500 keys already cranked. He uses it for towing so it has a class 5 hitch on it, which is going to rule out a body lift. What other options does he have for clearance. I was curious about the Cognito leveling kit but I don't know if it will give him the clearance.
 

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the cognito will allow him to crank alittle more, but if his keys are maxed out it wont do no good, ive got green keys set at about 2-2.5" and ive still got alot more room to crank. the only other optioon other than a lift kit would be some bushwacker cutout flares.

wats the exact wheel specs? im kinda curious.
 

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Bayou Surface Drive, LLC
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7,077 Posts
If he is cranked no more you can do. Get a lift is the only othe roption.
 

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Bayou Surface Drive, LLC
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7,077 Posts
Yes green keys are half ton keys
 

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GMC Owner
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188 Posts
I have indexed GM 2500 keys in mine from www.generalspringkc.com and my fenders sit at about 43 inches and it rides fine. Im clearing 315s on a stock rim just fine with just a little triming on the front bumper. No scrubbing at all.
 

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cracker ass fantastic
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616 Posts
they are just green keys bought from somewhere else...no difference...if it was me id find a rim with a positive offset
 

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Rollin' in the BIG HOG
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1,316 Posts
Definitely will need a rim with a positive offset of at least +10, probably even more. I think the 34.5" tires are going to be extremely difficult to fit on a stock truck. I would look into a 4-6" lift kit personally. I think the 34.5s will look too stuffed on a stock suspension.
 
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