Introducing the GMC K15 Suburban Suspension Lift Kit by Rough Country, designed specifically for the '77-'78 models. This 4-inch lift kit enhances both the stance and capability of your truck, providing a leveled and aggressive look while boosting off-road readiness. With an easy bolt-on installation, it transforms your vehicle's profile effortlessly.

The Rough Country 4-Inch Lift Kit is engineered to deliver superior ride quality and enhanced performance. It includes application-specific front lifted leaf springs that increase ground clearance without compromising ride comfort or control. The kit also features rear lift blocks and brake line brackets that maintain proper geometry, ensuring a smooth, factory-like ride post-installation. For a complete suspension upgrade, the kit can be configured with replacement rear lifted leaf springs, offering consistent rear lift and eliminating the need for lift blocks.

Enhance your vehicle's performance further with the included N3 Series Shocks, designed for maximum durability and performance. These shocks are specifically valved for your application, providing a perfect balance of on-road smoothness and off-road capability. They feature a 10-stage variable valving system, high-pressure nitrogen charge, and a durable 54mm shock body with 18mm piston rod, ensuring they are built for longevity and reliability.

Features

• Boosted Ground Clearance: Gain the extra height needed for better off-road capability and obstacle clearance.
• Application-Specific Front Leaf Springs: Engineered for a perfect fit and optimal ride quality.
• Optional Rear Leaf Springs: Available with replacement rear springs for a complete suspension upgrade.
• Clears 35-Inch Tires: Provides ample room to run up to a 35" tall tire with no rubbing.
• Raised Steering Arm Included: Corrects steering geometry for precise handling and improved alignment.
• Premium N3 Series Shocks: Includes application-valved N3 shock absorbers for balanced on-road comfort and off-road control.

Whether you're hitting the trails or cruising the highway, the Rough Country 4-Inch Lift Kit equips your GMC K15 Suburban with the durability and style it deserves. For any questions or further information, feel free to call us directly at 512-982-9393 in Austin, Texas, or 562-981-6800 in the Los Angeles, California area. We also offer professional installation and customization services at both locations, ensuring your lift kit is installed with precision and expert care.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov