These steel outdrive sets are made from hardened chromoly and black oxide coated for corrosion resistance. Drilled for through pin style driveshafts. Designed to work with stock and hardened Axial Racing gear sets (gear sets matching Axial Racing dimensions will also work). Direct replacement for Axial part AX30437 Package includes: 1 - Threaded Wraith Style Output 1 - Non-Threaded Style Output Incision Part No: IRC00081