Tuff Stuff 1977 GMC G25 Parts

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Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

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Pat talks about our 67-72 pickup rear end housing and some of the options we have for it.

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In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

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