Rough Country
2.5 Inch Block & U-Bolt Kit | Chevy/GMC 1500 (99-25)
Sold & installed by an Authorized Rough Country Dealer
Does it fit? Listed for 11 vehicles (Chevy, GMC). Pick your vehicle to check.
Fits your
Not listed for your . See parts that fit it or call us to check.
- Blocks
- Tapered to reduce drive shaft angle.
- Single 9/16-inch pin blocks.
- 2.5-inches wide.
Install time: 2 - 3 hoursDoes NOT fit models with equipped with composite leaf springs.
Call or request a quote for today’s price and installation.
- Authorized Rough Country dealer
- Installed at our Silver Star Rd shop
- No-credit-needed financing
About the 2.5 Inch Block & U-Bolt Kit | Chevy/GMC 1500 (99-25)
Has the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough Country. Upgrade your rear suspension with Rough Country's vehicle-specific block and u-bolt kit!
Notes
- Does NOT fit models with equipped with composite leaf springs.
Features
- Blocks
- Tapered to reduce drive shaft angle.
- Single 9/16-inch pin blocks.
- 2.5-inches wide.
- U-bolts
- Thread Size: 9/16-inch
- Inside Width: 2.5-inch
- Inside Length: 10.5-inch
- Style: Square
- E-coated black
- Corrosion resistant
What’s in the Box
Included
- (2) Lift blocks
- (4) U-bolts
- Hardware
Specifications
| Brand | Rough Country |
|---|---|
| Type | Suspension Parts |
| Part number | 6521 |
| Est. Install Time | 2 - 3 hours |
Vehicle Fitment
11 vehicles listed by Rough Country. Always confirm drive type and trim before you order.
| Years | Make | Model | Details |
|---|---|---|---|
| 1988–1998 | Chevy | C1500 | — |
| 1988–1998 | Chevy | K1500 | — |
| 1999–2024 | Chevy | Silverado 1500 | — |
| 2019–2024 | Chevy | Silverado 1500 Custom Trail Boss | — |
| 2019–2024 | Chevy | Silverado 1500 LT Trail Boss | — |
| 1988–1999 | GMC | K1500 | — |
| 1999–2024 | GMC | Sierra 1500 | — |
| 2019–2024 | GMC | Sierra 1500 AT4 | — |
| 2022 | GMC | Sierra 1500 AT4X | — |
| 2024 | GMC | Sierra 1500 AT4X | — |
| 2002–2024 | GMC | Sierra 1500 Denali | — |
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