Learn All About Sonnax Slip Yokes
How to Measure a Slip Yoke
Measure OE slip yoke with a precision tool to determine which Sonnax yoke you need. Centerline to end length, journal size and U-joint series are critical dimensions requiring accurate measurements.

Some slip yokes have missing splines — include the missing spline in your count or count the splines on the transmission output shaft.
Also check if the OE yoke has a counterbore and whether the transmission tail housing uses a bushing or roller bearing.


A Spline Count
B Journal Dia.
C Centerline to End Length
D Barrel Length
E U-Joint Width*
F U-Joint Cap Diameter*

*U-joint bores in yoke will be slightly larger than the actual U-joint dimensions given in the chart below.



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ASpline Count


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CCenterline to End Length CounterboreBBarrel LengthDJournalDiameter

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FEU-Joint SeriesE = U-Joint WidthF = U-Joint Cap Diameter




How to Determine a U-Joint Series



U-Joint Series
E
U-Joint Width (inches)
F
U-Joint Cap Diameter (inches)


3R
2.562
1.125

1310
3.219
1.062

1330
3.622
1.062

1350
3.622
1.188

1410
4.188
1.188

1480
4.188
1.375

1485
4.178
1.375

1550/1555
4.964
1.375 outside snap rings


Measure the inside snap ring, indicated on the diagram as G.

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FGE

Need help choosing a slip yoke? Watch this video.

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