Calvert Racing 11-17 Chevy/GMC 2500/3500HD Flip Kit 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. Whether your drag racing, sled pulling or just towing your rig 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.

11-17 Chevy 2500/3500HD Truck Flip Kit CalTracs Traction Bars