2-3-5221KX Slip Yoke 1310 series + 2-40-1701, Spline Stub 1.375×16 spline, 2.000 X .120 Tube. 

• YOU ARE BUYING a 2-3-5221KX, Slip Yoke + a 2-40-1701, Spline stub tube shaft  in kit form as seen in the cover image. 

Slip Yokes
Series	1310 (1.062 x 3.219)
Spline	1.375×16
Centerline to End of Spline	6.875

• Same as 2-3-8001KX but uses a screw style cap. 

Splines
Spline	1.375×16
Tube	2.000 x .120
(K)	6.188
(L)	2.250
(R)	5.625
(B)	1.771

• Spline Stub 1.375×16 spline, 2.000 X .120 Tube