The JEGS 555-60049 ring and pinion is a direct-fit 4.11:1 gear set for the GM 8.25 in. IFS front axle. The ring and pinion are precision cut and lapped as a matched pair for correct tooth contact, quiet operation, and dependable power transfer through the differential.

JEGS 555-60049 GM 8.25 in. IFS Front Axle Ring and Pinion Features:

• Fits 1988-2017 Chevrolet and GMC 1500
• Fits 1995-2017 Chevrolet Tahoe
• Fits 2015-2017 Chevrolet Suburban
• Fits 1999-2017 Cadillac Escalade
• Fits GM 8.25 in. IFS front axle
• 4.11:1 gear ratio
• 37 ring gear teeth and 9 pinion gear teeth
• 30-spline pinion
• Reverse rotation ring gear
• 8.250 in. ring gear diameter
• 1.626 in. pinion shaft diameter
• Precision cut and lapped as a matched set

JEGS 555-60049 GM 8.25 in. IFS Front Axle Ring and Pinion Notes:

• Reverse-rotation gear set for the independent front suspension (IFS) front differential
• Ring and pinion only; an installation kit is not included
• Crush sleeve, bearings, shims, pinion seal, pinion nut, and ring gear bolts are sold separately
• Professional installation is recommended; correct backlash, pinion depth, and bearing preload must be set during installation
• Follow a proper gear break-in procedure to maximize gear life