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M21/M22 Counter Shaft Pin
Description
The WT297-3A counter shaft pin is designed for Muncie M21 and M22 4-speed manual transmissions. Made from high-quality SCM415 alloy steel with a carburized and quenched surface (HRC 58–62), it offers excellent wear resistance and core strength. Measuring 1.000 inch in diameter and approximately 6.125 inches in length, it features precision-ground surfaces and chamfered ends for easy installation and secure alignment. Ideal for high-torque, high-RPM applications.
Specification
Outer Diameter : Ø 1.000 inch (25.4 mm)
Overall Length : Approx. 6.125 inch (156 mm)
Material : SCM415
Heat Treatment : Carburized & Quenched
Surface Hardness : HRC 58–62
Design Features : Chamfered ends, precision ground
Surface Finish : Smooth ground finish / Precision-turned and milled
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Model：WT297-3A
