ZG GM8.25-513R Ring and Pinion Gear Set by USA Standard Gear

The ZG GM8.25-513R ring and pinion gear set is engineered for those who demand precision and reliability in their drivetrain. Designed specifically for the GM 8.25 inch Independent Front Suspension (IFS) applications, this gear set delivers a 5.13 ratio, making it an ideal choice for enhancing torque and acceleration in your vehicle.

Specifications

• Ring Gear Diameter: 8.25 inches
• Pinion Spline Count: 30
• Number of Ring Gear Bolts: 10
• Gear Ratio: 5.13

Installation Notes

For installations on 2010 GM 8.25 IFS front ends originally equipped with a factory 3.08 gear ratio, a new carrier is required when changing to this 5.13 ratio. If you are upgrading from a 3.08 to a 3.42 or higher, you must also acquire the YC G26018131 case. The deck height for the 3.08 ratio is 1.780 inches, while for 3.42 and up ratios, it measures 1.920 inches.

Warranty

This product comes with a 1-year warranty against manufacturer defects, ensuring peace of mind with your purchase.

Confirmed Fitment

The ZG GM8.25-513R is compatible with the following GM models:

• Cadillac Escalade (1999-2000 & 2002-2020)
• Chevrolet Avalanche (2007-2013)
• Chevrolet Avalanche 1500 (2002-2006)
• Chevrolet Avalanche 2500 (2002-2006)
• Chevrolet Blazer (1992-1994)
• Chevrolet C/K 1500 (1988-1999)
• Chevrolet C/K 2500 (1988-1995)
• Chevrolet Silverado 1500 (1999-2017)
• Chevrolet Suburban (1992-2020)
• Chevrolet Tahoe (1995-2020)
• GMC C/K 1500 (1988-1999)
• GMC C/K 2500 (1988-1995)
• GMC Sierra (1999-2017)
• GMC Yukon (1992-2015)
• GMC Yukon XL (2000-2014)