GM Parts 19256241 Manual Transmission 1st Gear Blocking Ring - Replacement Gear Synchronizer for Chevy, GMC, Cadillac - Perfect for Transmission Repair & Performance Upgrades

GM Genuine Parts Manual Transmission Blocking Rings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function