Chevrolet 1500 Differential Install Kit - Revolution Gear & Axle - GM8.6in-GM8.25in IFS 4.88 Ratio - '09-'13. This complete gear package from Revolution Gear & Axle is built for 2009–2013 Chevrolet 1500 trucks converting GM 8.6" to GM 8.25" IFS with a 4.88 final drive ratio.

Designed for owners customizing gear ratios or replacing worn components, this kit supplies the parts required for a 4.88 swap in compatible models. The package is intended as a direct-fit option for the specified axles, providing the correct ratio for improved low-end response and towing driveability compared to taller gears. It’s a practical choice for enthusiasts who need a proven replacement set from a recognized supplier without changing axle housings or carrier requirements for the listed application.

Features

• Fits 2009–2013 Chevrolet 1500 with GM 8.6" to GM 8.25" IFS
• 4.88 final drive ratio
• Complete gear package from Revolution Gear & Axle
• Intended for direct-fit installation on specified axles
• Suitable for performance tuning, towing, or replacement use

If you have questions about fitment, break-in, or compatibility with your truck’s current components, give us a call and our team will help. We offer installation and customization services at two locations: Austin, Texas and the Los Angeles, California area. Call us at 512-982-9393 (TX) or 562-981-6800 (CA) to discuss this kit or schedule service. If you’re considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

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