Features/FAQs
Specifications and compatibility - Application: Replaces the standard input shaft bearing in Muncie 4-speed manual transmissions, including the M20, M21, and M22 models.
- Model years: Primarily fits transmissions from model years 1965–1974, though it's important to check compatibility for specific applications.
- Dimensions:
- Outside Diameter (OD): 80mm (approximately 3.150 inches).
- Inside Diameter (ID): 1.375 inches.
- Thickness: 0.768 inches.
- Design: The bearing uses 12 balls, increasing its radial load capacity compared to the earlier, standard 8-ball bearings.
- Construction: Modern versions are often made from high-grade, heat-treated steel to increase durability.
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Nice piece 
Bearings 
