USA Standard Gear ZMMUNWT297-12B Muncie M22 Manual Transmission 1st Gear

The USA Standard Gear ZMMUNWT297-12B is a precision-engineered replacement 1st gear designed specifically for the legendary Muncie M22 4-speed manual transmission. Known as the "Rock Crusher" transmission, the M22 was famous for its use in high-performance muscle cars and racing applications from the 1960s and 1970s.

Key Features:

• Direct replacement 1st gear for Muncie M22 transmissions
• Manufactured to OEM specifications for proper fit and function
• Heat-treated alloy steel construction for maximum strength and durability
• Precision-cut gear teeth ensure smooth engagement and minimal noise
• Essential component for M22 transmission rebuilds and restorations

USA Standard Gear is known for producing high-quality drivetrain components that meet or exceed original equipment standards. This 1st gear is an ideal choice for restoring classic muscle cars, hot rods, or maintaining vintage racing transmissions. The Muncie M22 was originally used in high-performance GM vehicles including Corvettes, Camaros, Chevelles, and other performance models equipped with big-block engines.