M20/M21/M22 Input Shaft
Description
This input shaft (WT297-16C) is designed for Muncie M20 and M21 wide-ratio 4-speed manual transmissions. Featuring a 26/21/32 tooth configuration, it ensures smooth torque transfer and gear engagement. Made from high-strength carburized alloy steel (SCM415 or SAE 8620) and heat treated to a surface hardness of HRC 58–62, this shaft offers excellent durability and wear resistance. Ideal for GM muscle cars from 1971 to 1974, including Camaro, Chevelle, and Corvette.
Specification
Tooth Count: 26 / 21 / 32 teeth
Material: Carburized alloy steel (SCM415, SAE 8620)
Heat Treatment: Carburized and quenched
Surface Hardness: HRC 58–62
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Model:WT297-16C