Product Details

Description

Tuff Country’s 97035 Block & U-Bolt Kit is a trusted, bolt-on solution designed to lift the rear of your GMC Suburban (and related Chevrolet/GMC 4WDs) by 3 inches. It’s built to restore a balanced stance and improved ground clearance while preserving a comfortable, factory-like ride.

  • Lift Height: 3" rear lift to level or enhance rear stance for towing, hauling, or larger tires
  • Block Design: tapered lift blocks engineered to minimize driveline vibrations and maintain alignment
  • Block Material: heavy-duty cast blocks (block material may vary; some kits use aluminum blocks depending on production)
  • U-Bolts: extended, zinc-plated rear u-bolts specifically sized for GMC Suburban applications
  • Hardware Included: nuts and washers included for secure, straightforward installation
  • Shocks Note: in many applications, factory-length shocks may need to be replaced with extended-length shocks when using 3" blocks (see the Shock Absorbers section for details)
  • Installation Scope: rear-axle only; not intended for front axle use
  • Vehicle Fitment: designed for 1988–1998 GMC and Chevy 4WD trucks and SUVs (Suburban, Tahoe, Yukon, K-series K1500/K2500/K3500) with 1/2–1 ton configurations

This kit includes everything you need for a simple bolt-on installation: tapered rear lift blocks, zinc-plated u-bolts, and the necessary hardware. It’s crafted by Tuff Country, a brand known for rugged, reliable suspension solutions that keep pace with demanding daily use and weekend adventures alike.


Year Range Make Model Drivetrain Fitment Note
1992–1998 Chevy Suburban 4WD
1994–1998 Chevy Tahoe 4WD
1988–1998 Chevy Truck K1500 4WD Fits 1/2 Ton Models.
1988–1998 Chevy Truck K2500 4WD Fits 3/4 Ton Models.
1988–1998 Chevy Truck K3500 4WD Fits 1 Ton Models.
1992–1998 GMC Suburban 4WD
1988–1998 GMC Truck K1500 4WD Fits 1/2 Ton Models.
1988–1998 GMC Truck K2500 4WD Fits 3/4 Ton Models.
1988–1998 GMC Truck K3500 4WD Fits 1 Ton Models.
1994–1998 GMC Yukon 4WD

Specifications:


Single or Multi-Box Packaging: Single Box
Weight: 20.0 lb


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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