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Ensure transmission output shaft has enough spline length to compensate for the extra yoke travel. Output shaft modification may be necessary to prevent bottom-out.

Extended Length Slip Yoke
Part No. T2-3-6081HP8XL

Fits Powerglide, 200-4R, 4L60, 4L60-E, 350. Also fits Muncie & Brinn units.

Extended length slip yokes help compensate for extreme-travel rear suspension applications, or driveshaft lengths that are slightly shorter than necessary. Sonnax extended length performance slip yoke T2-3-6081HP8XL is forged from a chromoly billet to provide superior strength and performance for dirt oval track racing with above listed transmissions.

  • Material: Forged Chromoly
  • Counter Bore (Y/N): N
  • Spline Type: Full
  • Driveline Series: 1310
  • Weight (lbs): 2.330
  • CL to End Length: 8.000"
  • Length: 8.760"
  • Spline Tooth Count: 27
  • Seal Dia.: 1.503"
  • Barrel Length: 6.100"

March 29, 2017

Transmission Report: Sonnax Voted Tops for Parts & Tools!

Topics: Transmission Report Newsletters Transmission GM 4T65-E Transmission 4L70-E Transmission 4L60-E Transmission 4L65-E Transmission 4L80-E Transmission

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Contact your local driveline shop for availability. If you need assistance finding a shop, or if you would like to become a distributor, fill out the form and a Sonnax driveline product specialist will contact you.

  • T2 3 6081hpx2

How to Measure a Slip Yoke

Some slip yokes have missing splines. To verify spline count, always count the splines on the transmission output shaft. A slip yoke counterbore is a short lead without spline in the end of the yoke.

  1. Spline Count
  2. Seal Dia.
  3. Length (Centerline to End)
  4. Barrel Length

How to Determine a U-joint Series

U-Joint Series
U-Joint Width (inches)
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.

Learn more about Sonnax slip yokes