KellTrac XTR Spec Viking Crusader Coilover Kit, Pair (KTI-J325-XTR) - 2015–2026 Ford Mustang
When traction, consistency, and sixty-foot times matter most, the KellTrac XTR Spec Viking Crusader Coilover Kit delivers results that few suspension systems can match. Designed specifically for high-performance S550 and S650 Mustangs, this assembled, ready-to-install coilover system is engineered for serious street, strip, prep, and no-prep racing applications.
Built around Viking Crusader dampers and precision-spec’d by KellTrac, this XTR-COMP coilover kit features carefully matched spring rates, optimized shock shaft travel, and custom compression and rebound valving tailored to IRS Mustangs. KellTrac’s proven suspension tuning has helped more 2005+ Mustangs achieve 1.19-second or better sixty-foot times than any other company—making this kit a trusted choice for racers chasing quicker launches and repeatable performance.
Every kit arrives fully assembled for simplified installation and includes premium hardware upgrades, ensuring long-term durability and adjustability. With application-specific setup support included, this system is designed to perform exactly as intended for your Mustang’s power level, tire, and racing environment.
Features
- Viking Crusader-based XTR-COMP coilover system, fully assembled and ready to install
- KellTrac-spec spring rates, shock travel, and valving for S550/S650 IRS Mustangs
- Optimized for street, drag strip, prep, and no-prep racing applications
- Proven suspension tuning used on 1.19-second and quicker sixty-foot Mustangs
- Adjustable compression and rebound for precise chassis control
- Includes thrust bearing and spanner wrench upgrade options standard
- Designed to improve traction, weight transfer, and launch consistency
- Limited remote setup and support included with all KellTrac spec coilovers
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
- 2026 Ford Mustang
Kelltrac Terms Of Service
Kelly considers his Kelltrac line to be a specialty line for a unique customer base and has his own terms of service in addition to Beefcake Racing's. You must accept these terms on all Kelltrac orders. Please read shipping times, cancellation, and returns. If time is of the essence, we do have other options that can ship right away / quicker. Just reach out to one of our sales associates at Beefcake Racing.
Cancellations & Returns
KellTrac Innovations does not accept product returns. Once your order ships, you own it and we will not accept it back - NO EXCEPTIONS. We do not accept order cancellations after the product has shipped. If you understand and accept this please check the box and continue checking out. If you do not accept this, please stop and discontinue the order process. Thanks!
Due to the custom nature of our business and product offerings, we charge a 20% order cancellation fee, period, non-negotiable, no matter who you are. Orders can only be cancelled before the product ships. We do not accept order cancellations after the product has shipped. If you understand and accept this please check the box and continue checking out. If you do not accept this, please stop and discontinue the order process. Thanks!
Leadtime
Please be aware that most orders ship within 2-4 weeks. In some (rare) cases, orders can take up to 6-8 weeks to ship. Holidays can severely impact these lead times. *DO NOT CONTACT US ABOUT YOUR ORDER UNLESS IT IS OLDER THAN 20 BUSINESS DAYS!* If you understand and accept this please check the box and continue checking out. If you do not accept this, please stop and discontinue the order process. Thanks!
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
