10 best lowering u bolts for 2021

It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 10 lowering u bolts. Its followed by an in-depth review of each lowering u bolts. Hopefully, once you are done reading this article, you will be well informed about lowering u bolts and be able to select the right lowering u bolts for you without any hesitations.

Best lowering u bolts

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Best lowering u bolts reviews

1. Belltech 6100 Lowering Block Kit, Regular

Feature

Belltech Lowering Blocks provide an inexpensive, easy to install way to lower your Mini Truck by increasing the distance between the leaf spring and the axle, effectively lowering the vehicle
Lowering block kits are manufactured of high quality extruded aluminum and come complete with blocks, U-bolts, Nyloc nuts and washers
The extruded aluminum process yields higher strength ratings when compared to cast or steel lowering blocks
Lowering blocks are designed to lower the rear of your vehicle in 2 inch increment
Also available with built in 2 degree taper for drive line angle correction

2. MaxTrac Lowering 3" BLOCK AND U-BOLTS GM 82-04 S-10, Sonoma 2wd 430030 MaxTrac Lowering 3" BLOCK AND U-BOLTS GM 82-04 S-10, Sonoma 2wd 430030 MaxTrac Lowering 3" BLOCK AND U-BOLTS GM 82-04 S-10, Sonoma 2wd 430030

3. Leaf Spring U-Bolt

Feature

Leaf spring u-bolt fits 3" axle tubes
Heat treated steel bolt
has a 1/2" diameter and is 10" long

4. MaxTrac KS330123 Lowering Kit 2 in. Front Drop 3 in. Rear Drop Incl. Front Spindles/Front Maxtrac Shocks/Rear Blocks and U Bolts Rear Maxtrac Shocks Lowering Kit

5. American Automotive 1.5" Rear Suspension Lift Solid Cast Iron Blocks + Extra Long 12.5" Square Leaf Spring Axle U Bolts

Feature

FITMENT: All makes and models with a single 9/16" axle pin hole and 2.5" leafs that require square 12.5" extra-long clamp; Does not fit 4WD 3.5" Axle trucks
CONTENTS: 2x 1.5" lift blocks with 4 OEM grade steel square bend u-bolts, hi-nuts and security spring washers.
TECHNICAL NOTES: Install the tallest ends of tapered rear blocks to the rear of the vehicle; Retighten u-bolts after the first 500 miles
BENEFITS: American Automotive solid cast iron lift blocks are stronger than aluminum and cast as a single, more stable construction than blocks with pressed pins. They are designed to increase rear load and towing capacity. American blocks absorb noise and vibrations, and are tapered for perfect pinion alignment. Made for maximum u bolt clamp force with an even distribution of pressure, American axle u bolts eliminate flexing and provide the strength to maintain original vehicle handling.
NOTE: U bolt color may vary

6. Speedway Motors Universal Leaf Spring Lowering Block Kit, 2 Inch

Feature

This 2" lowering block kit includes just what you need to drop your car's leaf spring rear suspension
Extruded aluminum lowering blocks are 2-1/2" wide and 5" long
U-bolts fit 3" diameter axle housings and are 10" long to fit a variety of applications
U bolts are a premium steel construction and are zinc plated for corrosion resistance
Drops the ride height on vehicles with the axle mounted on top of the leaf springs

7. Leaf Spring U-Bolt for 3 Inch Axle Tube, 10 Inch Long, Set of 4

Feature

Great replacement for worn out stock bolts and feature a generous length to accommodate lowering blocks
Premium heavy-duty steel construction for consistent performance and reliability
10" overall length, 6" thread length and 1/2"-20 thread pitch
Zinc-plated for rust and corrosion prevention
Includes nylock nuts for easy installation

8. Leaf Spring U-Bolt for 3 Inch Axle Tube, 8 Inch Long, Set of 4

Feature

Great replacement for worn out stock bolts and feature a generous length to accommodate lowering blocks
Premium heavy-duty steel construction for consistent performance and reliability
8" overall length, 6" thread length and 1/2"-20 thread pitch
Zinc-plated for rust and corrosion prevention
Includes nylock nuts for easy installation

9. Pair Rear Suspension Axle Leaf Spring U-Bolt Counter Top Plate Bracket Fit for 1999-2010 Ford F-250 F350 Super Duty Excursion

Feature

Fit For 1999-2010 F-250 F-350 Super Duty, 2000-2005 Ford Excursion Rear Axle Spring U-Bolt Plate Bracket .
Replacement Ford OEM Part Number: 3C3Z-5798-AA, 8C24-5798-AA
Placement on Vehicle: RH & LH Rear Driver Passenger Mount Top Seat
OE spec U-bolt plate for vehicles using either the 3.5" or 4" axle tube diameter
Direct Replacementsimple and convenient

10. Waverspeed for Chevy C10 Lowering Blocks, 3" Drop Kits U-Bolts for GM Chevy Chevrolet C10 1963-1972 - Blue

Feature

Fit for Chevy/for GMC C10 1963-1972
Height Range: 3'' Rear
No Instruction Included
Professional Installation Recommended
Package Contents: 2 x Rear Lowering Blocks with U-bolts

Conclusion

All above are our suggestions for lowering u bolts. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using lowering u bolts with us by comment in this post. Thank you!