This is a replacement Arrma 37 Tooth 3S BLX Differential Case Set. This high-quality Diff Case 37T Main Gear set 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 strong construction

Includes:

• (1) Ring Gear with Integrated Diff Case
• (1) Diff Case Cap

Requires:

• ARA310873 - HD INPUT GEAR 13T (1pc)