CALTRACS TRUCK (3700)
1982-2004 Chevrolet S10/Sonoma
1982-1994 Chevrolet Blazer
1982-2004 GMC Sonoma
1982-2004 GMC S-15
 
Does not work with S10 Blazer 1995-2004. Use part number 3800. 
 
Designed especially for trucks. Bolt On traction system. Full pre-load adjustability, keeps axle from rotating/maintains pinion angle, eliminates spring wrap up, improves 60′ times. Black powder coated. Berlin-style pivot plates for most applications.
Specializing in leaf spring traction systems since 1995, the Calvert Racing Team knows what it takes to get your truck hooking harder than ever whether you’re drag racing, sled pulling or just towing. Helps eliminate wheel hop. Designed by racers for racers, CalTracs boasts unsurpassed quality and craftsmanship; the com