The Neapco 1310 Series Steel Mid Drive Shaft Slip Yoke is designed to provide superior performance and reliability for your vehicle. This slip yoke is manufactured from alloy steel forgings and ductile castings for increased strength and durability. It features dynamic balancing operation and produces high-quality vibration-free driveshafts. The spline forms are manufactured through broaching operations that produce industry leading mating part fits. The tight tolerance of these spline fits coupled with reduced end play universal joints reduce time and cost of installation and maintenance. FleetPride is your First Click in Heavy Duty®.