Calvert Racing CalTracs Traction Bar – 1980–1991 Ford F-150 4WD (2.5″ Springs) – Part #7640
Designed for 4WD Ford trucks running 2.5″ wide leaf springs, the Calvert Racing CalTracs Traction Bar fits 1980–1991 F-150 4WD models with spring-over-axle configurations. This bolt-on traction system features 3-hole Berlin-style pivot plates and full preload adjustability to help stabilize axle movement, maintain pinion angle, and eliminate spring wrap-up. Whether you're towing, racing, or off-roading, this kit helps reduce wheel hop and improve launch consistency.
Key Features
- Built for 2.5″ wide leaf spring setups on 4WD trucks
- 3-hole Berlin-style pivot plates for flexible fitment
- Chromoly preload link for high strength and minimal flex
- HD Rod Ends rated for over 14,000 lbs radial static load
- Rod ends include grease zerks to reduce noise and extend service life
- Two-piece aluminum front spring eye bushings for precise pivot alignment
- Rear mounts made from 5/16” mild steel for secure torque retention
- Black powder coated finish for corrosion resistance
What’s Included
- 2 Rear Mounts (may vary by application)
- 4 Pivot Plates
- 4 Heim Joints / Rod Ends
- 2 Force Transfer Links
- 4 Square U-Bolts (9/16" diameter)
- All required mounting hardware
Installation Notes
- Includes full-color installation guide
- Torque square U-bolts to 90–100 ft-lbs
- Recheck torque after initial track runs
- Product photo may vary depending on application
- Some setups may require additional hardware
Why Choose CalTracs?
Since 1995, Calvert Racing has led the industry in leaf spring traction systems. Designed by racers for racers, CalTracs delivers unmatched adjustability, strength, and launch control—whether you're chasing ETs or pulling heavy loads.
Vehicle Compatibility
- 1980 Ford F-150 4WD
- 1981 Ford F-150 4WD
- 1982 Ford F-150 4WD
- 1983 Ford F-150 4WD
- 1984 Ford F-150 4WD
- 1985 Ford F-150 4WD
- 1986 Ford F-150 4WD
- 1987 Ford F-150 4WD
- 1988 Ford F-150 4WD
- 1989 Ford F-150 4WD
- 1990 Ford F-150 4WD
- 1991 Ford F-150 4WD
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