CST 15" Square-Bend U-Bolt Kit — 11-25 Chevy / GMC HD 2500HD (3/4 x 3.25 x 15)
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at636-429-7020or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at636-429-7020and we’ll confirm current availability or estimated ship dates.
Description
Description
A 15" square-bend U-bolt kit for 2011-2025 GM 2500HD trucks, sized 3/4 x 3.25 x 15. The taller-block version of the HD rear U-bolt hardware, for setups running a thicker rear lift block.
Features
- High-strength square-bend U-bolts
- Dimensions: 3/4" x 3.25" x 15" (square bend)
- Sized for taller rear lift-block setups on GM HD 2500
- Made in the U.S.A.
Note: Sold as a U-bolt kit.
This Part Fits:
2011 Chevrolet Silverado 2500HD
2011 GMC Sierra 2500HD
2012 Chevrolet Silverado 2500HD
2012 GMC Sierra 2500HD
2013 Chevrolet Silverado 2500HD
2013 GMC Sierra 2500HD
2014 Chevrolet Silverado 2500HD
2014 GMC Sierra 2500HD
2015 Chevrolet Silverado 2500HD
2015 GMC Sierra 2500HD
2016 Chevrolet Silverado 2500HD
2016 GMC Sierra 2500HD
2017 Chevrolet Silverado 2500HD
2017 GMC Sierra 2500HD
2018 Chevrolet Silverado 2500HD
2018 GMC Sierra 2500HD
2019 Chevrolet Silverado 2500HD
2019 GMC Sierra 2500HD
2020 Chevrolet Silverado 2500HD
2020 GMC Sierra 2500HD
2021 Chevrolet Silverado 2500HD
2021 GMC Sierra 2500HD
2022 Chevrolet Silverado 2500HD
2022 GMC Sierra 2500HD
2023 Chevrolet Silverado 2500HD
2023 GMC Sierra 2500HD
2024 Chevrolet Silverado 2500HD
2024 GMC Sierra 2500HD
2025 Chevrolet Silverado 2500HD
2025 GMC Sierra 2500HD
