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 Powerglide 10-Clutch Steel Complete Drum Kit.

TCI Powerglide 10-Clutch Steel Complete Drum Kit.

$1,238.64

TCI 700R4/4L60E Forward 29-Element Sprag

TCI 700R4/4L60E Forward 29-Element Sprag

$206.63

RTS OE Transmission Forward Drum Kit Rebuilt, TH350, With Frictions & Steels, Kit

RTS OE Transmission Forward Drum Kit Rebuilt, TH350, With Frictions & Steels, Kit

$318.60