Tuff Country 27850 Rear Ubolt Kit for Use with Blocks - 2" To 4"
Tuff Country
27850
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Tuff Country 27850 Rear Ubolt Kit for Use with Blocks - 2" To 4"
Product Details
Description
Replace your factory rear u-bolts with the Tuff Country 27850 Rear U-Bolt Kit, engineered for lifted trucks and SUVs. Designed for lift blocks ranging from 2" to 4", this kit keeps your axle secure and alignment consistent.
- Includes: (4) u-bolts with nuts and washers for a complete rear-axle install
- U-bolt size: 9/16" bolt diameter, 3 1/2" inside diameter, 12 5/8" overall length
- Finish: Zinc plated for corrosion resistance in harsh environments
- Design: Round bend optimized for reliable clamping on lift-block applications
- Lift compatibility: Specifically suited for lift blocks from 2" to 4" on rear axles
- Application: Fits rear U-bolt needs on 1/2-ton models, including 1973–1987 GMC Blazer 4WD and 1973–1987 GMC Suburban K1500 4WD
- Brand: Tuff Country, a trusted name in suspension solutions designed for off-road capability and long-term durability
This kit provides a secure, durable mounting solution after lifting your vehicle. The zinc coating helps resist corrosion from road salt and moisture, while the precise dimensions ensure a proper bite and dependable clamp on lift-block setups. With all four u-bolts and the accompanying nuts and washers included, installation is straightforward for DIY enthusiasts or professional shops. Ideal for restoring axle stability and ride height on lifted rear suspensions, this kit supports confident everyday driving and weekend adventures alike.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 1973–1987 | GMC | Blazer | 4WD | |
| 1973–1987 | GMC | Suburban K1500 | 4WD | Fits 1/2 Ton Models. |
Specifications:
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.
Free shipping on Orders Over $75
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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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.