Designed for hard-working Chrysler A618, 47RH/RE and 48RE units, Sonnax heavy duty input shaft 22121B-01 comes with durability and performance features which are second to none. Instead of the OE two-piece shaft/hub design, the Sonnax shaft uses a much stronger, one-piece design that combines...

This 29 Spline Sonnax Billet Output Shaft is used in our F5 transmission as well as some 68rfe to 47/48re conversions.

This Sonnax 23 Spline Billet Output Shaft is used in our F3 and F4 transmissions.

The Sonnax Smart-Tech® big input shaft kit 22121B-08K is the ultimate solution to prevent input shaft spline twist and breakage in high torque Chrysler 47RH, 47RE and 48RE diesel applications. Compared to the best 300M 23-spline shafts, the Sonnax input shaft is 35% stronger...

In Dodge 47RE, 47RH and 48RE units, intermediate shaft failure is common as power levels are increased and long-distance towing applications. Sonnax extreme duty intermediate shaft 22171B-HD is specially heat-treated and processed for maximum strength and resistance to fracture.This shaft features many unique refinements...