Cheaper 4L80e Counter-bore Slip Yoke - LS1TECH

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Cheaper 4L80e Counter-bore Slip Yoke

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Old 08-03-2013, 03:18 PM   #1
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Default Cheaper 4L80e Counter-bore Slip Yoke

Being Adamant that I was Not goin to pay $150 for a slip yoke, my searches finally paid off. My apologies to the sponsors that sell said yokes. Thought i would share my findings with other members you are not in the "Fortunate Sons" Social class. I found my slip yoke through a nonsponsor, so if you are interested, then pm me and I will send you info. The slip yoke is made by Neapco, product number N3-3-2431X (1350 yoke). The yoke is 31/32 spline, measuring 5.5 inches in length (from center ujoint to tip of yoke), with .5 inch counter-bore. Measurments match that of the bolted yoke that the 4l80e uses. Pics Below. Price was $89.75 Shipped to me!!!!!
A lot better than $150. This Yoke is comparable to Spicer brand yokes.

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Old 11-19-2013, 09:53 AM   #2
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I can confirm that this yoke works and looks to be great quality. When i was searching for it i found several on ebay and other sites that had a similar number with the same dimensions but the notes did not specify if it was counterbored. These others were cheaper and possibly lower quality without the counterbore. Thanks for posting this up it was a great help to me. Im using it on my 2004 single cab Silverado with stock 1 piece driveshaft works perfectly. This is where I purchased mine for anyone else looking:
04 SCSB, 6.0, ls7 cam, LS3 Heads & Intake
4l80e, 3200 Yank, 410 gears
Best time:1.89-60ft 12.23 @111.7
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Old 11-19-2013, 05:44 PM   #3
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i have a 4l80e bolt on yoke that already has the small counterbore can i just use tht one and top off the rear hole where the bolt goes?
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Old 11-20-2013, 12:54 AM   #4
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I got mine from Denny's for $75. It's a TH400 long yoke so the barrel is 6", but the last 2" are counterbored. It will likely need to be shortened slightly, but it will maximize the amount of spline engagement.
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Old 11-21-2013, 10:10 AM   #5
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Man I think this is exactly what I need. Is this for
the output shaft that has 3'' of spline? I was trying
to upload a pic but photobucket is acting weird.
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Old 06-24-2015, 12:15 PM   #6
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Back from the dead but can anybody confirm if this will work for a short tail th400 to convert to slip yoke?

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Old 06-25-2015, 01:42 AM   #7
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Nice find Kane. Should help some other members out.
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