Calvert Racing 64-73 Mercury Cougar Caltrac Traction Bars (Pair). Calvert Racing has specialized in leafspring traction enhancement systems for over 20 years. With unsurpassed quality and craftsmanship Calvert Racing’s CalTracs are the most innovative traction bar units today. If you have a leafspring car we can supply a set for your car. From daily driven cars, to 7-second 1/4 mile cars, this system will work for you.

Features & Benefits:

Complete bolt-on, no cutting, welding, or modifications to OEM suspension.
Keeps axle from rotating, helping maintain pinion angle.
Improves 60ft times.
Full preload adjustability.
Eliminates spring wrap-up.
Powdercoated gloss black finish.
Full color Installation Guide.
PSCA, NMCA, NHRA approved.

64-73 Mercury Cougar CalTrac Traction Bars