USA Standard Gear ZGK2135 Ford 10.5" Rear 3.73 Ring & Pinion Gear Set with Master Install Kit

The USA Standard Gear ZGK2135 is a complete regearing package designed for Ford 10.5" rear differentials with a 3.73 gear ratio. This comprehensive kit combines a high-quality ring and pinion gear set with a master installation kit, providing everything needed to complete your differential rebuild in one convenient part number.

Ring & Pinion Set:

• Manufactured to meet OEM specifications for reliable, quiet operation
• 3.73:1 gear ratio for improved performance and fuel economy
• Precision-engineered using state-of-the-art computer software
• 10.50-inch ring gear diameter
• 31-spline pinion with 12 ring gear bolt pattern
• Rigorous quality testing ensures dimensional accuracy and proper fitment

Master Installation Kit Includes:

• Koyo premium carrier bearings and races
• Koyo pinion bearings and races
• Pinion seal and pinion nut
• Crush sleeve (crush collar)
• Complete shim kit for proper setup
• Ring gear bolts with threadlock compound
• Marking compound and brush for gear pattern checking
• Gasket or RTV silicone

USA Standard Gear products are engineered for the do-it-yourself installer and professional technician alike, offering a cost-effective solution without sacrificing quality. Each gear set is designed to exceed OEM specifications while remaining easy to set up and install. Backed by a one-year warranty against defects, USA Standard Gear delivers confidence for street driving, towing, and off-road applications.