2.5 Inch Block & U-Bolt Kit from Rough Country, part 6521, for 1999-2024 Chevrolet Silverado 1500 & GMC Sierra 1500. Estimated install time is 2 - 3 hours.
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!
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
What's in the box
- (2) Lift blocks
- (4) U-bolts
- Hardware
Notes
- Does NOT fit models with equipped with composite leaf springs.
Specifications
| Part number | 6521 |
|---|---|
| Brand | Rough Country |
| Type | Universal Lift Blocks |
| Estimated install time | 2 - 3 hours |
| Shipping weight | 11.95 lb |
| Fits | 1999-2024 Chevrolet Silverado 1500 & GMC Sierra 1500 |
| Manufacturer applications | 2019-2024 Chevrolet Silverado 1500 LT Trail Boss; 2019-2024 Chevrolet Silverado 1500 Custom Trail Boss; 1999-2024 Chevrolet Silverado 1500; 1988-1998 Chevrolet K1500; 1988-1998 Chevrolet C1500; 2022-2024 GMC Sierra 1500 AT4X; 2019-2024 GMC Sierra 1500 AT4; 2002-2024 GMC Sierra 1500 Denali; 1999-2024 GMC Sierra 1500; 1988-1999 GMC K1500 |