- Integrated ring gear and diff case for strong construction
- High-quality diff case moulding ensures a reliable diff seal
- Precision manufactured gear tooth configuration for smooth and trouble-free gear operation
ARRMA AR310872 ARAC4022 Differential Case Set 37T Main Gear: BLX 3S. This high-quality Diff Case 37T Main Gear set provides replacement parts for your kit supplied items. Tough composite material for durability and consistent performance under extreme operating conditions