KellTrac Triple Adjustable Rear Coilover Kit – Stock Location (Race)
1979–2004 Ford Mustang | Fox / SN95 / New Edge
Ultimate Race-Level Rear Suspension Control
The KellTrac Triple Adjustable Rear Coilover Kit – Race Series is the most advanced stock-location rear suspension system available for 1979–2004 Fox, SN95, and New Edge Mustangs. Designed for enthusiasts and racers who demand absolute control, this triple adjustable setup delivers unmatched tuning capability, increased shock travel, and superior suspension response across drag racing, no-prep, autocross, road racing, and aggressive street applications.
Developed through over a year of extensive testing, this Race Series coilover kit provides greater rear wheel rate flexibility, enhanced traction, and refined suspension behavior — all while saving an average of 15 lbs over traditional rear suspension setups. From initial installation, drivers will notice immediate improvements in handling precision, traction consistency, and overall vehicle balance.
Triple Adjustable Viking Crusader Shock Technology
At the core of this system are triple adjustable Viking Performance Crusader coilover shocks, custom-valved specifically for KellTrac Race Series applications. With independent high-speed and low-speed compression adjustment combined with adjustable rebound, this setup allows racers to fine-tune suspension behavior with extreme precision. The result is maximum adaptability for changing track conditions, tire combinations, and vehicle setups where repeatability and control are critical.
Custom 2.50-inch Landrum Performance coilover springs are spec’d per application to ensure proper wheel rates and consistent performance. CNC-machined billet upper mounts, durable coated lower offset shock mounts, and extreme-strength mounting hardware provide the rigidity required for competition use while keeping weight to a minimum. High-durometer polyurethane bumpstops are pre-installed to control suspension travel and protect the shocks during aggressive use.
Designed for Street, Strip, Track & Autocross
Although built as a Race Series system, this triple adjustable kit was designed and tested for street, strip, track, and autocross applications, offering an unmatched combination of performance and versatility in a stock-location rear coilover package. Adjustable ride height and advanced valving allow drivers to precisely dial in stance, traction, and handling for virtually any surface or racing environment.
What’s Included
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KellTrac billet upper coilover shock mounts
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Zinc-coated extreme-strength shock mount hardware
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Chassis reinforcement backing washers
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Triple adjustable Viking Crusader coilover shocks
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Custom 2.50" Landrum Performance coilover springs
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High-durometer polyurethane bumpstops (pre-installed)
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Durable coated lower offset shock mounts
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Extreme-strength lower shock mount hardware
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Coilover adjustment spanner wrenches
Key Features
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Designed and tested for street, strip, track, and autocross use
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Triple adjustable Viking Crusader shocks with custom KellTrac race valving
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Independent compression and rebound adjustment
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Adjustable ride height
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Increased shock travel for maximum suspension control
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CNC-machined lightweight yet rigid components
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Precision fitment for maximum performance
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Assembled in-house and ready to install
Performance Benefits
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Saves an average of 15 lbs
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Delivers maximum tuning flexibility and vehicle control
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Improves traction and consistency on all surfaces
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Allows precise ride height and suspension tuning
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Wide range of spring rate compatibility
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Approximately 1-hour installation time
Vehicle Fitment
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1979 Ford Mustang
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1980 Ford Mustang
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1981 Ford Mustang
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1982 Ford Mustang
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1983 Ford Mustang
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1984 Ford Mustang
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1985 Ford Mustang
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1986 Ford Mustang
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1987 Ford Mustang
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1988 Ford Mustang
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1989 Ford Mustang
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1990 Ford Mustang
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1991 Ford Mustang
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1992 Ford Mustang
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1993 Ford Mustang
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1994 Ford Mustang
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1995 Ford Mustang
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1996 Ford Mustang
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1997 Ford Mustang
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1998 Ford Mustang
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1999 Ford Mustang
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2000 Ford Mustang
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2001 Ford Mustang
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2002 Ford Mustang
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2003 Ford Mustang
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2004 Ford Mustang
Important Notes
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May increase NVH levels — not recommended for customers sensitive to noise or vibration
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Not designed for towing or off-roading
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Check all brake line and component clearance to springs; minor tab bending may be required
For racers looking to extract every bit of performance from their suspension, this Triple Adjustable Race Series kit offers the highest level of control available. Contact Beefcake Racing for spring rate recommendations or setup guidance before ordering.
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