The ARRMA 1/8 4WD Performance Gears by GPM MAK1043TS/2 are produced with hardened steel materials to increase load capacity and maintain accurate gear mesh under high torque. These differential bevel and pinion gears reduce premature wear and help preserve drivetrain alignment during aggressive acceleration and high RPM operation. Compatible with multiple ARRMA 1/8 4WD chassis, they are specified for users seeking a durable, performance-focused drivetrain replacement.