Sonnax highlights TH400 heavy and extreme duty input shafts
Input shaft failure is a common problem in GM TH400 transmissions running with added horsepower. Sonnax notes that it offers heavy and extreme duty input shafts compatible with heavy duty forward drum part no. 34554-01 and Smart-Tech drum module no. 34555-01K. Part numbers include: • Heavy Duty Input Shaft 30280-01 • Heavy Duty Input Shaft 30280-02 • Extreme duty Input Shaft 35280-02 • Extreme Duty Input Shaft 27280-02
Direct Clutch Drum & Shaft Kit
Sonnax’s new direct clutch drum ad shaft kit for AODE/4R70W transmissions.