Maximize your transmission's power potential! TCI sprag and drum assemblies are designed to reduce rotating mass without compromising drum integrity. They will hold up to five clutches and are hard coated for improved wear characteristics.

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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 Outer Race, For 34 Element Sprag, T400

ATI Performance Products Outer Race, For 34 Element Sprag, T400

$50.46

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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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