Sonnax heavy duty forward clutch hub 34322-01 is an ideal upgrade over OE hubs in GM TH400, TH425, 4L80-E and 4L85-E applications. It is made from 1045 steel forging and features a thicker cross-section for increased strength.

Made from forged 1045 steel
Thicker cross-section for increased strength
Added durability for daily drivers, work trucks and mild performance applications

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