Chevrolet 1500 Differential Install Kit - Revolution Gear & Axle - 5.13 Ratio Gear Package - 98-08. This gear package is designed for owners of '98–'08 Chevy 1500 trucks who need a reliable 5.13 final drive option for axle swaps or ratio changes.

The Revolution Gear & Axle 5.13 kit fits GM 8.6" and GM 8.25" differential housings in IFS applications and is intended for use where a lower numerical ratio is desired for towing, larger tire setups, or improved crawl at low speeds. It's supplied as a ring-and-pinion gear package matched to Revolution's specifications to ensure correct tooth geometry when installed and set up properly by a qualified technician.

Features

• 5.13 final drive ratio for Chevy 1500 ('98–'08)
• Designed for GM 8.6" and GM 8.25" differentials with IFS
• Ring and pinion supplied as a matched gear set
• Intended for professional installation and setup
• Ideal for towing, larger tires, or low-speed control

If you have questions about fitment, swap compatibility, or installation, call us directly — we're happy to help. We have two service locations where we offer installation and customization: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to discuss your build or to schedule installation. If you're thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

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