Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The OS Giken Super Lock limited-slip differential for Subaru Impreza STI GRB (front) provides a front-axle LSD option tuned for GRB applications. Its locking behavior helps distribute torque between front wheels for improved traction and predictable response in demanding driving. Use this direct-fit front Super Lock unit when upgrading the drivetrain on GRB-based STI platforms to regain controlled power transfer.
OS Giken Subaru Impreza STI GRB (Front) Super Lock LSD
