10 Bolt open spider gear set for '00-'06 8.6" GM with 30 spline axles. Fits case with one large window and one small window. A new carrier case will be needed for '99 vehicles in order to use this spider gear set. This spider gear set fits casting number 7875 or 1073.

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Call Overly's Offroad at 865-995-9800 for installation or help.