Tuff Country 13723KN 3" Lift Kit with Heavy Duty Front Springs & 52" Rear Springs with SX8000 Shocks

Upgrade your GM 3/4-ton 4x4 with the Tuff Country 13723KN 3" Lift Kit — a purpose-built, durable suspension upgrade designed for classic Suburban and truck models from 1973–1987. It delivers steady 3" lift, generous spring capacity, and reliable dampening to improve clearance, load handling, and off-road confidence.

• Lift Height: 3" front and 3" rear lift to create a level stance and room for larger tires without compromising ride quality.
• Heavy-Duty Front Springs: engineered to handle heavy payloads, big block engines, or added aftermarket bumpers while maintaining ride integrity.
• 52" Rear Springs: extended rear spring length for improved load support and a balanced, controlled stance under heavy loads.
• Shocks Included: SX8000 shocks paired with the kit for improved damping, stability, and off-road composure.
• Noise Reduction: Teflon pads reduce friction and squeaking between components for smoother operation.
• Polyurethane Bushings: included with springs to resist wear and maintain alignment over time.
• Tire Compatibility: supports up to 33" x 12.5" tires for enhanced ground clearance and traction.
• Installation Note: factory front and rear shocks must be replaced with extended shocks to install this lift kit properly; consider adding extended shocks in the options if needed.
• Warranty: backed by a limited lifetime warranty on the leaf springs, reflecting Tuff Country’s long-standing commitment to durability.
• Brand Experience: built by Tuff Country, a suspension specialist with decades of experience delivering reliable, value-driven lift kits.
• Kit Contents: a complete kit including heavy-duty front springs, rear springs, SX8000 shocks, and the necessary hardware to complete the install.
• Fitment Focus: designed for 1973–1987 GM 3/4-ton trucks and Suburban 4WD models, ensuring proper geometry and compatibility with the classic platform.

This Tuff Country kit transforms your 4x4’s capabilities: higher ground clearance for rough trails, improved approach/departure angles, and dependable load handling when carrying gear, plows, or aftermarket bumpers. The combination of heavy-duty springs, long-reach rear springs, and SX8000 shocks delivers a balanced, controlled ride that maintains stability both on and off the pavement. With a focus on durability and practical use, this 3" lift kit helps you do more with your classic GM 4x4 — confidently and consistently.