Description
TH400 / 4L80E Direct Drum Assembly, with an Extra Large 36 Element Sprag
This sprag has 36 elements that are taller and wider then the 34 element sprag. This is 56% more sprag area than the 34 element sprag.
This custom drum assembly is fitted with oversize tool steel inner and outer sprag races, an oversize 36 element sprag assembly, and a custom sprag retaining plate and spiral lock ring. (Already installed/assembled)
Modified inner race distributes lube oil to the sprag assembly more efficiently.
This TH400 / 4L80E Direct Drum Assembly has been tested behind engines producing over 2000 horsepower/1800 foot pounds torque.
- Comes with 4 outer clutch plates 0.08″ thick
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