This 7075 billet aluminum pinion support is used with 9" & 9.5" ring and pinion sets with 35 spline pinion gears when the 3rdl member is being used upside down in a Rock Crawling competition application. Eliminates the seal retaining bolts commonly found on this style of pinion supports and replaces them with a steel seal shield and a snap ring that positively retain the seal into the pinion support. Kit includes the pinion support, inner and outer pinion bearings and races, a pinion seal shield and retaining snap ring, Pinion support is finished in black anodize.