Overview: Heavy duty machined 7075 alloy differential case gear for the Team Associated DR10 (NOT for the B6) RC Drag Car. Perfect machined roundness makes for a free spinning transmission and a must have for high powered drag racing applications. It is much stronger than the stock plastic differential gear, but not indestructible, so it is important to use black or white grease on the gears and reapply frequently to prolong its life. This is for 1 differential case and 1 differential cover- DR10 gear diff parts are required.