Eibach PRO-KIT Lowering Springs Eibach 7728.140 for 2015-2018 Subaru WRX STI

The Eibach PRO-KIT is a premium line of lowering springs designed to enhance the performance and appearance of your vehicle. Whether you're a car enthusiast looking to improve the handling of your daily driver or motorsports competitor looking for an edge on the track. the Eibach PRO-KIT has you covered. Tested with factory dampers.

• Progressive Spring Design for Excellent Ride Quality.
• High Performance Handling and Aggressive Good Looks.
• Stop Quicker, Corner Faster
• Lower Center of Gravity.

Upgrade the handling and appearance of your Subaru WRX STI with the Eibach PRO-KIT lowering springs, part number 7728.140. Engineered for enthusiasts who want sharper response without sacrificing everyday drivability, this performance spring set lowers the vehicle’s center of gravity and improves overall chassis control. The progressive spring design is tested with factory dampers to help maintain a balanced ride while delivering more confident handling.

With reduced body roll, quicker cornering response, and improved braking stability, the Eibach PRO-KIT is suited for spirited street driving, performance builds, and occasional track use. Its lower stance provides an aggressive appearance while supporting enhanced suspension performance. The springs are designed specifically for the 2015-2018 Subaru WRX STI, 2.5L turbo models, helping ensure proper application and compatibility with the original suspension system.

• Progressive Spring Design: Helps provide excellent ride quality during everyday driving while increasing control under harder cornering and braking.
• High-Performance Handling: Reduces body roll and improves steering response for a more controlled driving experience.
• Lower Center of Gravity: Supports improved stability, cornering confidence, and an aggressive lowered appearance.
• Factory Damper Compatibility: Tested with original-equipment dampers for a practical performance upgrade without requiring immediate damper replacement.

Key Specifications: Brand: Eibach; Product Line: PRO-KIT; Part Number: 7728.140; Application: Lowering spring set; Vehicle Type: Automotive; Vehicle Application: Subaru WRX STI; Engine Application: 2.5L turbo; Spring Design: Progressive; Intended Use: Street performance and motorsports applications.

What's Included: One Eibach PRO-KIT lowering spring set for the specified application. Professional installation is recommended, followed by a complete wheel alignment. Fitment includes 2015, 2016, 2017, and 2018 Subaru WRX STI models equipped with the 2.5L turbo engine. Verify vehicle configuration and suspension compatibility before installation.

Features:

• Progressive spring design helps maintain comfortable ride quality while improving suspension control.
• Enhances handling response, reduces body roll, and supports faster, more controlled cornering.
• Lowers the vehicle's center of gravity for improved stability and a more aggressive stance.
• Tested with factory dampers for a straightforward performance upgrade using the original suspension dampers.

Fitments:
2015 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015 Subaru WRX STI Limited
2016 Subaru WRX STI Base
2016 Subaru WRX STI Limited
2016 Subaru WRX STI Series.HyperBlue
2017 Subaru WRX STI Base
2017 Subaru WRX STI Limited
2018 Subaru WRX STI Base
2018 Subaru WRX STI Limited
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI Base
2019 Subaru WRX STI Limited
2019 Subaru WRX STI S209
2020 Subaru WRX STI Base
2020 Subaru WRX STI Limited
2021 Subaru WRX STI Base
2021 Subaru WRX STI Limited

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1