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TCI Hardened Input Shafts

4.0 out of 5 stars 8 Customer Reviews

These TCI hardened input shafts have increased lubrication, flow, and strength, a resized diameter that provides optimum stress lubrication along the entire length of the shaft, and extended high-gear splines to the oil ring. They will require some minor machining of the stator support.

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TCI Hardened Input Shafts 749603

TCI Hardened Input Shafts 749603

Input Shaft, Vaccu melt 300, GM, TH350, TH400, Powerglide Spline, Each

Part Number: TCI-749603

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

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