USA Standard Gear ZGK2103 Master Overhaul Kit for Ford Differential - 9.75 Rear

The USA Standard Gear ZGK2103 is a comprehensive master overhaul kit designed specifically for 9.75" Ford rear differentials. This complete package provides everything needed for a professional-quality differential rebuild, including premium ring and pinion gears with a 3.55 gear ratio.

Complete Kit Includes:

• 3.55 ratio ring and pinion gear set engineered for 9.75" Ford rear ends
• Complete pinion installation kit with bearings, shims, crush sleeve, and seals
• 34-spline positraction/limited slip differential unit
• Axle bearings and seals for both sides
• All necessary hardware and installation components

This master overhaul kit is ideal for rebuilding worn differentials, upgrading gear ratios, or installing a positraction unit. USA Standard Gear products are manufactured to meet or exceed OEM specifications, ensuring reliable performance and proper fitment. The 3.55 gear ratio provides an excellent balance between acceleration and highway cruising efficiency, making it a popular choice for daily drivers, towing applications, and light truck use.

All components are precision-manufactured and quality-tested to ensure smooth operation and long service life. Professional installation is recommended for proper setup and backlash adjustment.