Rough Country · Authorized Dealer
1.5 Inch Block And U-bolt Kit | Chevy/gmc 2500hd (11-19)
$99.95
Price does not include installation.
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$99.95
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🛠️ Install available in Marietta, GA
Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.
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Built for Chevy and GMC 2500HD owners who want to restore ride height and eliminate rear sag, this 1.5-inch block and u-bolt kit delivers a straightforward suspension upgrade. The fiberglass-reinforced nylon blocks are tapered to preserve driveline geometry, and they pair with heavy-duty u-bolts to secure your rear axle firmly and safely.
Installed and serviced at Road Runner Wheels & Tires. Most suspension upgrades go in the same day. Call (678) 400-6467 to schedule.
What's included
- Fiberglass-reinforced nylon blocks (pair) — Tapered design reduces driveshaft angle and delivers 1.5 inches of lift. Stronger and more durable than cast alternatives, with single 5/8-inch pin for secure axle mounting.
- E-coated steel u-bolts — 5/8-inch thread, 12-inch inside length, 3-inch inside width, square style. Corrosion-resistant finish ensures long-term reliability in all weather conditions.
Why customers pick this at Road Runner
- Tapered blocks preserve correct driveline angles — no binding or premature wear on u-joints and driveshaft.
- Fiberglass-reinforced nylon construction outlasts cast blocks and resists cracking under load.
- Vehicle-specific fitment engineered for 2011–2019 Silverado and Sierra 2500HD — proper geometry right out of the box.
- Backed by Rough Country's Satisfaction Guarantee and backed locally by Road Runner Wheels & Tires.
- Professional installation keeps your truck safe and aligned — our techs perform this upgrade every week.
Ready to build it? Call (678) 400-6467. Hablamos Español.
Features
- Blocks
- Made of fiberglass reinforced nylon for superior strength and durability.
- Tapered to reduce drive shaft angle.
- Single 5/8-inch pin blocks.
- 3-inches wide.
- Powder coated black.
- U-bolts
- Thread Size: 5/8-inch
- Inside Width: 3-inch
- Inside Length: 12-inch
- Style: Square
- E-coated black
- Corrosion resistant
| Years | Make | Model | Drive |
|---|---|---|---|
| 2011-2019 | Chevrolet | Silverado 2500 HD LT | 4WD |
| 2011-2019 | Chevrolet | Silverado 2500 HD LT | RWD |
| 2011-2019 | Chevrolet | Silverado 2500 HD LTZ | 4WD |
| 2011-2019 | Chevrolet | Silverado 2500 HD LTZ | RWD |
| 2011-2019 | Chevrolet | Silverado 2500 HD WT | 4WD |
| 2011-2019 | Chevrolet | Silverado 2500 HD WT | RWD |
| 2015-2019 | Chevrolet | Silverado 2500 HD High Country | 4WD |
| 2015-2019 | Chevrolet | Silverado 2500 HD High Country | RWD |
| 2011-2014 | GMC | Sierra 2500 HD WT | 4WD |
| 2011-2014 | GMC | Sierra 2500 HD WT | RWD |
| 2011-2019 | GMC | Sierra 2500 HD SLE | 4WD |
| 2011-2019 | GMC | Sierra 2500 HD SLE | RWD |
| 2011-2019 | GMC | Sierra 2500 HD SLT | 4WD |
| 2011-2019 | GMC | Sierra 2500 HD SLT | RWD |
| 2014-2019 | GMC | Sierra 2500 HD Denali | 4WD |
| 2014-2019 | GMC | Sierra 2500 HD Denali | RWD |
| 2015-2019 | GMC | Sierra 2500 HD Base | 4WD |
| 2015-2019 | GMC | Sierra 2500 HD Base | RWD |
- Tire size: 32″ to 33″ tall
- Lift height: 1.5″
- Install time: 2 - 3 hours Installed in-house at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Alignment performed in-house as part of every lift install. Call (678) 400-6467 to schedule.
Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.
3-Year Finish Warranty on all painted and powder-coated surfaces.
3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.
Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.
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