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Front Half Of Diff Case

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The 8 1⁄4 is a reverse-rotation, high-pinion differential. This means the pinion powers the stronger drive side of the gear. One major weak point of the IFS housing is that it is made of aluminum. While aluminum is lighter and does dissipate heat better, the 1⁄2-ton housings have been known to crack under heavy off-road use.

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