4R100 Intermediate Assembly
Specifically manufactured for drag racing and sled pulling.
- The largest intermediate / center shaft available today. Boasts a spline/shaft diameter of 1.198" vs .986" O.E., resulting in a 21% increase in diameter. Shaft is made from 300M material.
- The forward drum is made from 4140 HTSR billet steel and comes with both cast and teflon sealing rings.
- The intermediate / center shaft support is made from 4140 HTSR billet steel and incorporates a dual bushing support system for increased stability over the O.E. bearing.