Tuff Country 97009 Block & Ubolt Kit - 3" (H) x 2 1/2" (W) x 4 3/4" (L) Tapered

Raise the rear of your Chevy/GMC 3/4-ton 4WD with confidence using the Tuff Country 97009 Block & U-bolt Kit. This bolt-on rear lift kit delivers a solid 3-inch elevation while preserving a smooth, factory-like ride.

• Lift height: 3 inches of rear lift to improve ground clearance and tire fitment on appropriate Chevy/GMC 4x4 models.
• Block material: Heavy-duty cast iron lift blocks, tapered to reduce driveline vibration for a smoother, more controlled ride. (Some kits may use aluminum blocks depending on production.)
• Block dimensions: Block size approximately 3" (H) x 2 1/2" (W) x 4 1/2" (L) to properly align with factory geometry.
• U-bolts: Extended zinc-plated rear U-bolts crafted specifically for Chevy trucks to maintain strength and corrosion resistance.
• Installation: Simple bolt-on installation that replaces factory rear hardware and spaces between the leaf springs and axle.
• Important compatibility note: Designed for rear axles only; never use lift blocks on a front axle. Factory length shocks may need to be replaced with extended-length shocks when installing rear blocks 2 inches in height or taller.
• Vehicle fitment: Fits 1973–1991 Chevy Suburban K2500 4WD, 1973–1987 Chevy Truck K2500 4WD, 1973–1991 GMC Suburban 4WD 3/4 Ton, and 1973–1987 GMC Truck K2500 4WD.

Benefits: This 3-inch rear lift restores a balanced stance on older heavy-duty pickups and SUVs, creating room for larger tires and improved ground clearance for off-road excursions or heavy loads. The tapered blocks are engineered to minimize driveline vibration, while zinc-plated U-bolts and robust hardware ensure durability in challenging conditions. With a bolt-on design and appropriate shock considerations, you can expect a straightforward installation and a reliable, long-term upgrade that maintains a comfortable ride similar to the stock setup while adding the desired lift and capability.