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02-14-2011, 02:59 PM | #1 |
Registered User
Join Date: Jan 2010
Location: Kansas City, Mo
Posts: 284
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Re: Z71 questions
Those cast iron blocks are stock on only the 4wd 99-06 GM 1/2 ton trucks. The Z71 package is just 46mm shocks(the standard are 42mm),skid plates(usually metal) behind front bumper and under transmission, and a sticker. They use the same springs and torsion bars. This has not changed since the inception of the Z71 package on the 4wd, there might be a difference when they started using the package on the 2wd a few years ago.
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