Rough Country 4 Inch Lift Kit | M1 | Chevy Silverado & GMC Sierra 1500 4WD (1999-2006 & Classic) | P/N 25840

The Rough Country 4 Inch Lift Kit (M1) fits the Chevy Silverado & GMC Sierra 1500 4WD 1999-2006 & Classic. Retains the original torsion bar location for a seamless, factory-like fit.

At a Glance

• Brand: Rough Country
• Part Number: 25840
• Product Type: Lift Kits
• Fits: Chevy Silverado & GMC Sierra 1500 4WD 1999-2006 & Classic
• Country of Origin: United States

Features

• Factory-Mounted Torsion Bars: Retains the original torsion bar location for a seamless, factory-like fit
• Factory Ride Quality: Engineered to maintain the smooth, comfortable ride you expect
• Auto Trac Compatibility: Fully compatible with models equipped with Auto Trac systems
• Optimal Axle Alignment: Keeps axles in their factory position and angle for reduced wear and improved longevity
• No Modifications Required: Installs without the need for drivetrain or exhaust adjustments
• Retains Factory Travel Stops: Designed to reuse OEM compression travel stops for consistent suspension performance

Installation Instructions

Download the installation instructions (PDF)

Fitment

• Chevy Silverado & GMC Sierra 1500 4WD (1999-2006 & Classic)

Part Numbers

• MPN 25840 · UPC 840269941498