Equip your semi truck to be Ready for the Road Ahead™, with the Muncie 24-Teeth Shaft Spline Adapter Gear Assembly, a key piece that helps provide efficient power transfer. To help transfer rotational torque between different components, this replacement piece is crafted with exact measurements that help move power to PTO components. Fashioned with ultra durable splines and hexes to provide long-term durability. FleetPride is your First Click in Heavy Duty®.