USA Standard Gear ZMMUNM22GK Muncie M22 Manual Transmission Gear Kit 2.20 Ratio

The USA Standard Gear ZMMUNM22GK is a complete manual transmission gear kit designed for Muncie M22 "Rock Crusher" 4-speed transmissions. This close ratio gear set features a 2.20 first gear ratio and is engineered to restore performance and durability to worn or damaged Muncie M22 transmissions.

Key Features:

• Complete gear kit includes input shaft (4th gear), countershaft/cluster gear, 1st gear, 2nd gear, 3rd gear, and front reverse idler gear
• Close ratio 2.20 first gear for improved performance
• Designed for M22 transmissions with 1-inch countershaft pin
• 10-spline input shaft configuration
• Precision-manufactured to meet or exceed OEM specifications
• Direct replacement for factory Muncie M22 gears

USA Standard Gear manufactures transmission components using precision machining and rigorous testing methods to ensure proper fit, form, and function. This gear kit provides everything needed for a complete M22 transmission rebuild or gear replacement, making it ideal for restoring classic muscle cars and high-performance vehicles equipped with the legendary Muncie Rock Crusher transmission.