Seller notes

This product is a GM Muncie input shaft nut designed for M20, M21, and M22 Chevy 4-speed transmissions. Manufactured in the United States by GM with the manufacturer part number GM591150, this input shaft nut is compatible with various GM vehicles. The nut is a crucial component for securing the input shaft in place within the transmission system, ensuring proper operation and performance. The product is part of the manual transmission parts category, specifically designed for vehicles requiring...

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