This joint cup set features newly-designed parts to replace the kit-standard parts. They are made from a heat-treated alloy which features greater resistance to wear and tear. They are attached by pin and axle ring, which leads to smoother rotation and less tendency for the joint to come apart. Set Contents
• Reinforced Bevel Pinion Gear x3
• Reinforced Joint Cup x4
• F-350 Ring Gear x2
• Differential Shaft x2
• Compatible with 6x4 R/C tractor truck models.