USA Standard Gear ZMSR18291 Manual Transmission Reverse Blocker Synchro Ring - for NV3500/NV3550

The USA Standard Gear ZMSR18291 is a precision-engineered reverse blocker synchronizer ring designed specifically for NV3500 and NV3550 manual transmissions found in Dodge and Jeep vehicles. This critical transmission component ensures smooth gear engagement and prevents the transmission from accidentally shifting into reverse while the vehicle is moving forward.

Key Features:

• Direct replacement for worn or damaged reverse blocker synchro rings
• Engineered to OEM specifications for proper fit and function
• Compatible with NV3500 and NV3550 5-speed manual transmissions
• Helps restore smooth shifting and prevents grinding during gear changes
• Quality construction for reliable performance and durability

USA Standard Gear manufactures high-quality drivetrain components backed by extensive engineering and testing. This reverse blocker synchro ring is an essential component during manual transmission rebuilds or when addressing shifting issues in your NV3500 or NV3550 transmission.