PROTHANE 16-1603 6-Speed Shifter Stabilizer Bushing Kit for 2004-2012 Subaru Impreza WRX STI

Improve shifter stability and shift feel with the PROTHANE 16-1603 6-Speed Shifter Stabilizer Bushing Kit. Designed for 2004-2012 Subaru Impreza WRX STI models, this replacement bushing helps reduce unwanted movement in the shifter assembly for more precise and consistent gear changes. The kit is manufactured from durable polyurethane and finished in red for dependable performance and easy identification during installation.

Compared with soft factory-style bushings, the PROTHANE 16-1603 polyurethane design provides increased resistance to compression and deformation. This helps maintain a more direct connection between the shifter and linkage, supporting improved shift response during everyday driving, spirited road use, and performance applications. Its stabilizer-focused design helps address excess shifter movement without requiring a complete shifter assembly replacement.

The PROTHANE 16-1603 kit is intended as a direct-fit replacement for the specified Subaru Impreza WRX STI application. Verify vehicle year, model, transmission, and existing shifter configuration before ordering to help ensure compatibility. Installation should be completed using appropriate tools and procedures, with all components inspected and fasteners secured according to the vehicle manufacturer’s recommendations.

Brand: PROTHANE. Part Number: 16-1603. Material: Polyurethane. Color: Red. Application: 2004-2012 Subaru Impreza WRX STI. Product Type: 6-speed shifter stabilizer bushing kit.

Features:

• Application: Fits 2004-2012 Subaru Impreza WRX STI models with the specified 6-speed shifter configuration

• Function: Helps stabilize the shifter assembly and reduce unwanted movement during gear changes

• Material: Durable polyurethane construction designed to resist compression and deformation

• Performance: Supports more precise, consistent, and responsive shift feel

• Finish: Red polyurethane for durability and easy identification

• Brand: PROTHANE

• Part Number: 16-1603