COG U-Bolt Kits

Constructed from durable and finished with a protective powder coat, the lift blocks are built to withstand demanding conditions while maintaining a clean, professional appearance. The zinc-plated U-bolts provide added corrosion resistance for long-lasting performance. Engineered for 2020-2026 Chevrolet Silverado and GMC Sierra 2500/3500 HD applications, the kit is compatible with both 2WD and 4WD configurations. The 1.0-inch lift blocks provide additional rear lift for improved stance and clearance, while the straight U-bolt design delivers a secure, precise fit. Upgrade your truck's rear suspension with the Cognito 1.0-Inch Block and U-Bolt Kit, designed to provide a clean, functional lift while maintaining reliable performance and durability. This kit includes durable 1.0-inch tall cast lift blocks finished in a semi-gloss black powder coat, paired with heavy-duty 16.0-inch straight zinc-plated U-bolts. 1" Block and 16" U-bolt Kit 2020 GM 2500HD/3500HD 2WD/4WD Trucks.