SON-34322-01 – Sonnax Aftermarket Heavy Duty TH400 Forward Clutch Hub

The HPP December 2024 Transmission Parts Discount applies automatically once the part is added to the cart!!!!! 

The SON-34322-01 is the Sonnax aftermarket heavy duty forward clutch hub for GM TH400, TH425, 4L80-E and 4L85-E applications.  The hub is manufactured from a 1045 steel forging and features a thicker cross-section for increased strength.  It is an ideal upgrade over an OE hub to add durability to daily drivers, work trucks and mild performance applications.