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 & 1073. Product Features:Spider gear kitFits 2000-2006 GM 8.6 open differential Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
