Pro Comp U-bolt kits are packaged complete with new hi-nuts and extra thick washers. U-bolt lengths are usually adequate for stock and aftermarket leaf spring packs. Pro Comp U-Bolt kits are manufactured from low-alloy high strength steel. Square U-bolts are unplated in order to preserve the integrity of the steel at its bent points. U-bolts are equivalent in strength to a grade 5 bolt.
Right size and worked great. Hopefully they last as long as the oe but we'll see.
These u bolts fit my '86 4Runner perfectly except that I needed even thicker washers to get enough thread with an add-a-leaf. The threading just doesn't go far enough. Otherwise they work great!
Q: Is the width of 2.5" the interior width of the U Bolt? Answer this question
A: yes it is
Answered by oldschoolmech on 12/17/2020
A: Yes, 2.5" is the interior of the U Bolt.
Answered by Mario from Compton, CA on 12/11/2020
Q: Will these fit a 2008 ram mega cab 1500? Answer this question
A: No, unfortunately the 2008 Ram 1500 Axle diameter is 3.6875". For U-Bolts use: Length Order 9" EXP13-90165A x4 10.125" EXP13-90191A x4 You can also call our customer service line at 1-855-554-2400 for further assistance before placing your order.
Answered by Chris from Compton. CA on 04/13/2021
Q: Will these Ubolts work with OME (ARB) CS009R rear leaf springs for an 87 4Runner SR5? It’s a 2.5” lift spring. Answer this question
A: U-bolts are 9/16"-18 X 2.500" X 10.00" The 2.5” width will work. The length need to be checked to see if will work for your application.
Answered by Kelly from 4WP Corporate Headquarters on 03/12/2021
Q: Will these work to install 5.5" blocks and add a leaf on my 2005 chevy 2500hd? Answer this question
A: The 50126 is designed for Blocks 2”-3”. For 4”-5.5” Blocks, you will need 4) EXP 13-90347A. This will be 4 Individual U-bolts with nuts and washers.
Answered by Kelly from 4WP Corporate Headquarters on 12/15/2020
Q: Will these work in conjunction with 3.5" lift blocks on a 2015 Silverado 1500? Answer this question
A: Our tech team would prefer you call them to assist you further: 800-776-0767
Answered by Kelly from 4WP Corporate Headquarters on 11/25/2020
Pro Comp Suspension has spent the last two-and-a-half decades engineering, testing and manufacturing products that will give Jeep drivers the confidence to dominate whatever terrain is ahead. The Pro Comp Promise Life Time Warranty is forever. Pro Comp's warranty goes with the suspension products on Jeeps whether or not the Jeep owner is the person who originally purchased the product. Pro Comp Suspension can afford to give such a warranty because the products are produced at the Pro Comp facility in San Diego, California under exacting manufacturing standards. Pro Comp Suspension is the only suspension company with products that are tested under true driving conditions on outside roads, rather than simulated testing. Shop Pro Comp Suspension Now
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