This high-quality diff case, 49T main gear and 17T input gear provides replacement parts for your kit supplied items.Features:Tough composite material for durability and consistent performance under extreme operating conditions - Precision manufactured gear tooth configuration for smooth and trouble-free gear operation - High-quality diff case molding ensures a reliable diff seal - Integrated ring gear and diff case for high strength constructionIncludes:1 x Ring Gear with Integrated Diff Case 1 x Diff Case Cap 1 x Input Gear