Product Details

Description

Upgrade the rear-end stance of your leaf-spring 4WD with a pair of Tuff Country 79043 4-inch Cast Iron Lift Blocks. Designed specifically for rear axles, these blocks lift the vehicle while preserving suspension integrity and driveline alignment.

  • Material: Cast iron construction for durable, long-lasting performance under off-road and daily driving conditions.
  • Dimensions: 4" tall and 3" wide per block; includes a pair for immediate installation.
  • Tapered design: Precisely tapered to help adjust the rear axle angle for better driveline alignment after lifting.
  • Compatibility: Intended for rear axles of vehicles with leaf-spring suspensions; designed for rear-axle applications only.
  • Brand: Tuff Country, a recognized name in reliable, heavy-duty suspension components.

These lift blocks are purpose-built to provide a solid, reliable rear lift—supporting aftermarket setups, improving stance, and helping you accommodate larger tires or upgraded components. The tapered geometry assists in maintaining proper axle angle, reducing driveline stress and promoting smoother operation on rugged terrain or on-road driving. Ideal for weekend trail rides or everyday use, this pair offers a straightforward solution to achieve the desired rear rise with confidence.

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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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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