USA Standard Gear ZMPK373 Master Overhaul Install Kit for 3.73 Ring & Pinion

The USA Standard Gear ZMPK373 is a master overhaul installation kit designed for use with 3.73 ratio ring and pinion gear sets. This comprehensive kit includes all the bearings, seals, shims, and hardware needed to properly set up and install a differential ring and pinion, eliminating the guesswork of sourcing individual components.

Key Features:

• Complete master kit with all necessary installation hardware
• Designed for 3.73 gear ratio ring and pinion installations
• Includes carrier bearings, pinion bearings, pinion seal, and shim pack
• All components manufactured to meet or exceed OEM specifications
• Precision-machined bearings for accurate preload and long service life
• Shim kit allows for precise backlash and bearing preload adjustment
• Simplifies the installation process with a single, matched component set

USA Standard Gear master install kits are engineered to work seamlessly with their ring and pinion sets, ensuring proper fit and function. All components are manufactured and tested using state-of-the-art equipment to verify spline and tooth geometry, strength, and dimensional accuracy. Whether you are rebuilding a worn differential or upgrading to a new gear ratio, the ZMPK373 provides everything needed for a professional-quality installation.