USA Standard Gear ZMSR1386-591-003 T56 Manual Transmission 3rd & 4th Gear Synchro Ring Blockers

These synchro rings are critical components that enable smooth, clash-free gear engagement by matching the rotational speeds of the gear and output shaft during shifts.

Key Features:

• Direct replacement for worn or damaged 3rd and 4th gear synchro ring blockers in T56 transmissions
• Manufactured to OEM specifications for proper fit and function
• Heat-treated construction for durability and wear resistance
• Helps restore smooth shifting performance and prevents gear grinding
• Compatible with GM T56 transmissions used in Camaro and other GM performance applications

USA Standard Gear is known for producing high-quality drivetrain components that meet or exceed original equipment standards. These synchro rings are essential for transmission rebuilds or when addressing shifting issues related to worn synchronizers. Proper installation requires transmission disassembly and technical expertise.