Description
Great upgrade for the TH400 and 4L80E that still has the weaker 17 element sprag. Genuine GM part.
This ships free anywhere in the US!
34 Element Sprag for TH400 and 4L80E Transmissions – GM 8633173 / 34418X
$117.99
In stock
View cart “Sonnax 4L80E Line Pressure Booster Kit Part No. 4L80E-LB1” has been added to your cart.
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