Product Details

Description

Elevate your classic 4WD Chevy or GMC with the Tuff Country 16721KN 6" Lift Kit. Designed for 1973–1987 K2500 Suburban and Truck models, it combines EZ-Ride leaf springs, 52" rear springs, a steering arm, and SX8000 shocks to deliver a capable, ride-friendly upgrade.

  • Lift height: 6" front and 6" rear for a balanced, aggressive stance
  • EZ-Ride leaf springs: Smooth, quiet ride with Teflon pads to eliminate noise and squeaks
  • 52" rear springs: Strong, durable rear spring package to match the front ride height
  • Shocks included: SX8000 shocks included for reliable damping and control
  • Steering components: Includes a steering arm (and drop steering arm) to maintain steering geometry after the lift
  • Polyurethane bushings: Polyurethane bushings included with springs for improved durability and responsiveness
  • Tire compatibility: Allows use of up to 35" x 12.5" tires
  • Installation notes: Factory shocks must be replaced with extended shocks to install properly; consider extending driveshafts with a 6" lift; choose extended shocks/boots in the options if not already purchased
  • Engine and model compatibility: Recommended for vehicles with small block engines only; will not fit diesel engine models
  • Warranty: Limited lifetime warranty on all lift kits

This lift kit reflects Tuff Country’s more than 35 years of suspension expertise, offering a durable, value-driven upgrade that expands your vehicle’s capabilities. With EZ-Ride springs, aftermarket front-to-rear alignment, and the right shock setup, you’ll enjoy better ground clearance, improved tire compatibility, and a steadier on-road feel—whether you’re tackling trails or cruising highways. The included components are designed to work together, ensuring a cohesive system that’s easier to install and built to last.


Year Range Make Model Drivetrain Fitment Note
1973-1987 Chevy Suburban K2500 4WD Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models.
1973-1987 Chevy Truck K2500 4WD Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models.
1973-1987 GMC Suburban K2500 4WD Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models.
1973-1987 GMC Truck K2500 4WD Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models.

Specifications:


Single or Multi-Box Packaging: multi-box (4)
Weight: 140.0 lb
Length: 50
Width: 15
Height: 6


Packaging Details


FAQs

Please read our FAQs page to find out more.

Will this part fit my vehicle?

Fitment varies by year, make, model, drivetrain, and lift height. Always use the vehicle fitment selector or refer to the fitment notes on the product page before purchasing. If you’re unsure, our team can help confirm compatibility.

Are Tuff Country products street legal?

Most Tuff Country products are designed for on-road and off-road use, but local laws and regulations vary by state and country. It is the customer’s responsibility to ensure compliance with local vehicle regulations after installation.

Is professional installation required?

Professional installation is recommended but not required. Many products can be installed by experienced DIYers with proper tools. However, improper installation can affect ride quality, safety, and warranty coverage.

Will this affect my ride quality?

Tuff Country products are engineered to balance ride comfort, performance, and durability. Ride quality can change depending on lift height, vehicle setup, tire size, and other suspension components.

Are Tuff Country products covered by a warranty?

Yes. Tuff Country products are backed by a manufacturer warranty that covers defects in materials and workmanship. Warranty terms vary by product type and do not cover damage caused by misuse, improper installation, or normal wear.

Can I run larger tires with this product?

Many Tuff Country lift kits and suspension components allow for larger tire sizes, but maximum tire clearance depends on wheel offset, tire width, and vehicle configuration. Refer to the product details or contact support for guidance.

What is the return policy?

Unused, uninstalled products may be eligible for return within the stated return window. Items must be in new condition and returned in original packaging. Shipping costs and restocking fees may apply.

Who can I contact if I have questions?

Our customer support team is available to help with fitment questions, installation guidance, and order support. Reach out before purchasing if you want to ensure you’re selecting the right part for your build.

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Selling Suspension Systems for 35+ Years

Tuff Country EZ-Ride Suspension was incorporated over 35 years ago, realizing the desperate need for quality suspension products in the after market world.

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