The CalTracs Traction Kit is a bolt-on traction system fits 1960-1976 Compatible with Dodge and Plymouth models with inboard 3” leaf springs. Black powder-coated for long-lasting durability, with ¾” Chromoly rod ends rated for 14,000 lbs, two-piece aluminum front spring eye bushings, and robust rear mounts for stable, torque-resistant performance. Provides full pre-load adjustability, preventing axle rotation and maintaining pinion angle for improved traction and faster 60' times. Includes rear mounts, pivot plates, Heim joints, force transfer links, and hardware (U-bolts sold separately) Comes with a full-color installation guide, plus grease fittings on rod ends to reduce rattle. Specifically for inboard-spring Compatible with Mopar models.