SKU: 81989056360

1999-2007 (Classic) GMC Sierra 1500 2WD Rear Lift Blocks with Premium Forged Flat Top U-Bolts

Sale price$98.95 Regular price$109.95
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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For Your Every Summer RSVP, with Code: SUMMER15

Description

1999-2007 (Classic) GMC Sierra 1500 2WD Rear Lift Blocks with Premium Forged Flat Top U-Bolts2x Rear Lift Blocks with 9 16" Single Pin 4x Premium Forged Flat Top U Bolts Installation Hardware Notes: Will Fit 6 Lug Models Only. We are proud to introduce our New Heavy Duty Steel Lift Blocks, precision engineered by our experts not only to lift your truck but to improve your ride quality and comfort as well as lifetime use. The 1" Heavy Duty Steel Blocks are constructed from one solid block of Steel, while the 1. 5", 2" and 3" Rear Lift Blocks

  • 2x Rear Lift Blocks with 9/16" Single Pin
  • 4x Premium Forged Flat-Top U-Bolts
  • Installation Hardware

Notes:

✔ Will Fit 6-Lug Models Only.

We are proud to introduce our New Heavy-Duty Steel Lift Blocks, precision engineered by our experts not only to lift your truck but to improve your ride quality and comfort as well as lifetime use.

The 1" Heavy-Duty Steel Blocks are constructed from one solid block of Steel, while the 1.5", 2" and 3" Rear Lift Blocks are precision machined from ONE 1/4" thick plate of Steel, 3 times bend and precision welded using heavy-duty GMAW seam and fillet welding processes to ensure maximum strength and a lifetime of dependability under even the most extreme riding conditions. To maximize their strength and resistance to deformation, we reinforced the structure of these blocks with a 1/4" thick CNC plasma cut center support structure, completely welded to the frame.

These blocks can withstand an astonishing load of almost 60,000 lbs with no yielding or deformation observed!

We completed this kit with our newly designed set of Premium Forged Flat-Top U-Bolts to safely secure your truck's rear suspension components. Supreme Suspensions Flat Top U-Bolts provide superior strength and axle position retention thanks to it's improved mounting solution, especially designed for off-road and heavy duty applications.

The Flat Top Design increases contact mating area with your vehicle's leaf springs, providing 10 times more clamping force compared to traditional U-bolts. These U-bolts offer maximum safety by restoring the necessary clamping force, eliminate flexing of the leaf spring packs and provide the desired spring stiffness for your vehicle.

Note: *An alignment is always recommended after altering the height of your vehicle.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81989056360

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Andrew C. Smith
San Leandro, US
★★★★★ 4
Good shirt, but not perfect
I have bought three of these shirts. They fit well, look good, good value for the price, don't wrinkle easily. The fabric is VERY heavy and does not breathe well, so they are better suited for winter than summer wear. The placket tends to bunch up when you're seated, so wearing an undershirt can be helpful. The only thing I'd change about it is the fastener on top would be better as a standard button, or be fastened closer to the shirt. When worn buttoned-up, there's enough room between the two halves of the shirt that one side folds down and there's an unnecessary collar gap that doesn't look great. When worn unbuttoned, the fastener dangles (which again, doesn't look great). The shirt also doesn't have collar stays, so the collar can roll up.
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Reviewed in the United States on April 27, 2026
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David R.
Massapequa, US
★★★★★ 3
Heavy shirt
Color: All White, Size: Small
Looks good but is heavy, not like a traditional long sleeve shirt, I always use long sleeve shirts every day, but this one is heavy comparing with the other ones that I have
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Reviewed in the United States on February 6, 2025
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Amazon Customer
Pawtucket, US
★★★★★ 5
Great fit
Color: All White, Size: Medium
Love the fit for my son
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Reviewed in the United States on April 2, 2026
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Amazon Customer
Lowell, US
★★★★★ 5
Favorite Shirt
Color: All White, Size: X-Large
Love these shirts! I like how sleek they look with hidden buttons and no pockets. I plan to order other colors. Great for travel because they wrinkle very little. Comfortable and true to size.
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Reviewed in the United States on May 14, 2026
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Zack S.
Cuba, US
★★★★★ 5
Great Dress Shirt
Color: All White, Size: X-Large
Absolutely love this shirt! It's super stretchy and breathable—perfect for staying comfortable all day. The fit is flattering, and the material feels high-quality yet lightweight. I was especially impressed that the bright white color stayed vibrant even after washing. Highly recommend!
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Reviewed in the United States on May 14, 2025

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