Sprags--or one-way clutches--are extremely important in GM TH350 and TH400 transmissions because they carry an up-shifting torque load. Prevent transmission failure with sprags and races from ATI Performance Products and compete with increased confidence.

More From This Category

TCI Automatic Transmission Direct Drum, Steel, High Gear Assembly, GM, TH400, Kit

TCI Automatic Transmission Direct Drum, Steel, High Gear Assembly, GM, TH400, Kit

$991.32

RTS OE Transmission Forward Drum 4l80e, rebuilt Bare Drum, Each

RTS OE Transmission Forward Drum 4l80e, rebuilt Bare Drum, Each

$299.00

TCI TH400 HD Forward Drum Assembly.

TCI TH400 HD Forward Drum Assembly.

$1,090.04