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.

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ATI Performance Products Sprag, Roller Type, Steel, for GM TH400 Automatic Transmission (1966 and Later), Each

ATI Performance Products Sprag, Roller Type, Steel, for GM TH400 Automatic Transmission (1966 and Later), Each

$41.02

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ATI Performance Products Drum, Alum Direct w/ Billet For 6 Clutches, 34 Element Sprag, 400

ATI Performance Products Drum, Alum Direct w/ Billet For 6 Clutches, 34 Element Sprag, 400

$1,257.46

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TCI Powerglide 10-Clutch Steel Complete Drum Kit.

TCI Powerglide 10-Clutch Steel Complete Drum Kit.

$971.95

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ATI Performance Products Drum Assy, Alum Direct w/ 6 Clutches, Billet Piston, 34 Element Sprag, Loaded, T400 400

ATI Performance Products Drum Assy, Alum Direct w/ 6 Clutches, Billet Piston, 34 Element Sprag, Loaded, T400 400

$1,392.81

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TCI 700R4/4L60E Low Roller Clutch

TCI 700R4/4L60E Low Roller Clutch

$79.45

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ATI Performance Products Race, Outer, Steel, Fits 36 Element Sprag, GM TH350, Each

ATI Performance Products Race, Outer, Steel, Fits 36 Element Sprag, GM TH350, Each

$329.68

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