Slip Yoke Measuring Guide

Transmission Slip Yoke Identifier

Use this guide if you don't know your transmission model or u-joint size.

trans yoke measuring guide

A.) Spline Diameter
Measure the major diameter (deepest part) inside the slip yoke or the spline outside diameter on the vehicle's transmission or transfer case.

B.) Barrel Diameter
Measure the outside of the barrel diameter on the slip yoke or the inside diameter of the trans seal.

C.) Spline Count
Each spline counts as one spline. Some slip yokes have blank spaces called blind spots. Count each blind spot as one spline.

D.) Slip Yoke Length
Measure from the end of slip to center of u-joint.

U-Joint Series
See guides below

Are you looking for an inside snap ring or outside snap ring style transmission slip yoke?

Outside Snap Ring Style Transmission Slip Yoke

E.) Cap Diameter:
Diameter measured over bearing cap space.

F.) Width:
Distance measured over compressed bearing caps.

Common Outside Snap Ring U-joint Sizes and Series

Series	Width	Cap Diameter.
1210	2 7/16" = 2.438	1 1/16" = 1.063
1310	3 7/32" = 3.219	1 1/16" = 1.063
1310 Ford*	3 7/32" = 3.219	1 1/8" = 1.125
1330	3 5/8" = 3.625	1 1/16" = 1.063
1330 Ford*	3 5/8" = 3.625	1 1/8" = 1.125
1350	3 5/8" = 3.625	1 3/16" = 1.188
1410	4 3/16 = 4.188	1 3/16" = 1.188
1415**	4.178	1 3/16" = 1.188
1480	4 3/16 = 4.188	1 3/8" = 1.375
1485**	4.178	1 3/8" = 1.375
1550	4 31/32" = 4.969	1 3/8" = 1.375
1555**	4.964	1 3/8" = 1.375

* 1310 Ford & 1330 Ford have 1 1/8” cap at pinion yoke and 1 1/16” cap at driveshaft.
** 1415, 1485, 1555 only found on Chrysler and some GM vehicles with American Axle built driveshafts.