Hello everyone,

I have an 04 with a 4” lift using blocks in the rear on top of factory blocks. I’m noticing what I think is drive line shutter when taking off towing or stepping on it with my SRL + tune. I did shim the carrier bearing down when I lifted the truck. just not sure if it is the carrier bearing wobbling around or if it is axle wrap from being stacked on top of two sets of blocks. I was thinking of having the one piece shaft built for it and making my own set of traction bars from what I’ve learned on the site. I’m just wondering if doing both is worth it? Or just doing traction bars with the two piece?


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Traction bars made a big difference on my truck with a 4" lift, well worth the money.

i put a go pro under mine and the traction bars hold my pinion angle dead steady

thats important to me because aggressive tires and heavy loads can really twist the springs up

Thanks guys for the replies, I’ll fab some up and see where I end up.


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Ummm ..... you forgot your lead foot