Neapco N2-4-4341 CV style end yoke 
U-Joint Series: 1310 
Retention HardwareCV Bolts
Spline Diameter/Number of Teeth: 1.146"-26
Hub Diameter: 1.55"
Length Through Bore: 1.50"
Centerline to End of Hub: 3.00"
Application: Dana 300, Dana 20 Transfer Case