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

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

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...

Input shaft failure is common as power levels are increased in Chrysler 68RFE units. Sonnax heavy duty input shaft 72670B-01 is precision-engineered for unrivaled performance in high-horsepower diesel applications. Machined from 300M ultra high-strength steel for exceptional toughness and manufactured with rolled turbine splines...

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...

68RFE Dodge trucks pulling heavy loads or with boosted power are at high risk for overdrive burnup due to the stock transmission’s insufficient clutch capacity and fragile OE clutches.Even small amounts of heat and extra torque will push the thin (.034"), single-sided clutches over...