Tuff Country 27851 Rear Ubolt Kit for Use with Blocks - 5.5"
Tuff Country
27851
Pairs well with
Expert Post-Purchase Assistance
Limited Lifetime Warranty
Made in the USA
Free Shipping on Orders over $150
Tuff Country 27851 Rear Ubolt Kit for Use with Blocks - 5.5"
Product Details
Description
Keep your rear suspension secure after lifting with the Tuff Country 27851 Rear U-Bolt Kit. Designed for use with lift blocks on rear axles, it’s a trusted replacement set for lifted trucks that need reliable, corrosion-resistant hardware.
- Bolt Diameter: 5/8" (0.625") for strong, common-fitment U-bolts
- Length: 14-1/2" overall to accommodate typical lift configurations
- Inside Diameter: 3-5/8" to fit standard axle tube widths
- Finish: Zinc-plated for superior corrosion resistance in exposure-prone environments
- Includes: (4) U-bolts with nuts and washers for complete installation
- Designed For: Lifted vehicles using leaf-spring suspensions with mounting blocks
- Bend Type: Round bend for straightforward installation and reliable seating
This kit provides a precise, ready-to-install solution to maintain axle alignment and secure the rear suspension after a lift. The zinc plating protects against rust in salt, mud, and moisture-rich conditions, helping your rig stay dependable longer. With the included nuts and washers, installation is streamlined, so you can confidently reassemble and get back on the road or trail. Ideal for drivers upgrading suspension clearance or maintaining 3/4-ton and similar lifted configurations where U-bolt replacement is needed.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 1973–1987 | GMC | Suburban K2500 | 4WD | Fits 3/4 Ton Models. |
| 1973–1987 | GMC | Truck | 4WD |
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.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
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.