RC car enthusiasts, if you're running a Traxxas Sledge or similar model, these hardened steel differential output cups are built to handle some serious punishment! The 9586X center cups are manufactured from premium hardened steel that stands up to the demands of high-performance bashing and racing. Each pack includes two output cups plus the necessary 2.5x12mm drive pins for complete installation. The heavy-duty construction means these won't wear out or strip like stock parts can when you're pushing your RC to its limits. Perfect for upgrading your center differential setup where torque and power transfer are critical. Whether you're doing big jumps, high-speed runs, or just want the peace of mind that comes with overbuilt components, these output cups deliver reliable performance. They're direct replacements that fit perfectly without modification, and the quality matches what you'd expect from Traxxas performance parts. Keep your drivetrain solid and your power delivery smooth with these durable upgrades that can handle whatever you throw at them. Essential maintenance parts for serious bashers and racers who don't want drivetrain failures ruining their fun!