USA Standard Gear 10742 8.6" GM 3.42 Ring & Pinion Master Install Kit

The USA Standard Gear 10742 is a comprehensive master installation kit designed for GM 8.6" rear differentials with 3.42 gear ratios. This complete package includes the ring and pinion gear set, installation components, axle bearings, and seals—everything needed for a professional-quality differential rebuild or gear swap.

Key Features:

• Complete master kit includes ring & pinion gears, install kit, axle bearings, and seals
• Designed specifically for GM 8.6" (8.625") rear differentials
• 3.42 gear ratio for balanced performance and fuel economy
• USA Standard Gear quality manufacturing for reliable performance
• Includes pinion bearings, carrier bearings, pinion seal, and crush sleeve
• Pinion shims and marking compound included for proper setup
• Also includes axle bearings and seals for complete axle service

This kit is ideal for rebuilding worn differentials or performing gear ratio changes on GM trucks and SUVs equipped with the 8.6" rear axle. The 3.42 ratio provides an excellent balance between acceleration and highway cruising efficiency. USA Standard Gear products are manufactured to meet or exceed OEM specifications, ensuring long-lasting durability and quiet operation when properly installed.