Rough CountryPart 6521 · UPC 00843030190927
2.5-Inch Lift Blocks with 10.5-Inch Square U-Bolts
$79.95MAP price
In stock — 32 available
Shipping weight: 10 lb.
- 2.5-inch tapered blocks with a single 9/16-inch center pin, 2.5 inches wide
- Square U-bolts: 9/16-inch thread, 2.5-inch inside width, 10.5-inch inside length
- E-coated black for corrosion resistance
- Does not fit vehicles with composite leaf springs; shipping weight 10.0 lb
The Trail Fortress check
Will it fit your truck?
✓ Fits
Universal part — no vehicle-specific application data.
✕ Does not fit
- Models with equipped with composite leaf springs
About this part
2.5-Inch Lift Blocks with 10.5-Inch Square U-Bolts, fitment-checked
Rough Country 6521 pairs 2.5-inch rear lift blocks with square 9/16-inch U-bolts measuring 2.5 inches inside width by 10.5 inches inside length. The blocks are tapered to keep driveshaft angle in check and use a single 9/16-inch center pin; the U-bolts are e-coated black for corrosion resistance. Not for use on vehicles with composite leaf springs.
Specifications
Specs
| Brand | Rough Country |
| Part number | 6521 |
| UPC / GTIN | 00843030190927 |
| Lift height | 2.5 in |
| Shipping weight | 10 lb |
| Country of origin | US |
| Category | Bumpers & Armor › Body Armor |
Why buy here
The fitment-first store
Manufacturer-listed exclusions shown. We publish what a part does not fit — before you buy, not after the return.
Sourced from the application data. Fitment on this page comes from the manufacturer’s application catalog, not a copied listing.
Real install docs. The actual step-by-step guide, linked right on the page.