KellTrac Triple Adjustable Rear Coilover Kit X-SERIES (kti-rco15ta-x) - 2015+ Mustang
When you are pushing your Mustang into serious horsepower territory, suspension performance becomes critical. The KellTrac X-SERIES Triple Adjustable Rear Coilover Kit is purpose-built for high-horsepower drag racing setups, delivering the control, consistency, and adjustability needed to maximize traction and launch performance. Designed specifically for 1300+ RWHP applications, this system transforms how your S550 or S650 Mustang plants power to the track.
After more than a year of development and real-world testing, KellTrac engineered this kit to provide unmatched tuning capability across varying track conditions. Featuring Viking Crusader triple adjustable shocks, precision-machined billet mounts, and custom spring combinations from Eibach and Landrum, this setup offers superior strength while shedding approximately 20 pounds compared to factory components. Every detail is focused on delivering consistent, repeatable results at the drag strip.
Features
- Triple adjustable Viking Crusader rear shocks with independent high and low speed compression and rebound control
- Custom 2.25 inch Eibach coilover springs paired with Landrum helper springs for optimized wheel rate tuning
- CNC machined billet upper and lower shock mounts for strength and reduced weight
- Includes sway bar relocation brackets and chassis reinforcement backing plates
- High strength zinc coated mounting hardware for durability under extreme conditions
- Carbon infused spring coupler designed for strength and consistent performance
- Pre-installed high durometer polyurethane bump stops for improved shock control
- Adjustable ride height to fine tune stance and weight transfer
- Spherical bearing mounts for precise articulation and improved traction
- Assembled in house and ready for installation
Additional Notes
- Designed exclusively for drag racing applications
- Check all line clearances to springs; minor tab adjustment may be required
- Rear chassis reinforcement is recommended for high horsepower setups
- Compatible with 315 drag radial tire setups
- Approximate installation time is 3 hours
Fitment
- 2015 Ford Mustang
- 2016 Ford Mustang
- 2017 Ford Mustang
- 2018 Ford Mustang
- 2019 Ford Mustang
- 2020 Ford Mustang
- 2021 Ford Mustang
- 2022 Ford Mustang
- 2023 Ford Mustang
- 2024 Ford Mustang
- 2025 Ford Mustang
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