Skyjacker Suspension BUK3565 3.5" Lift Block and U-Bolt Kit

The Skyjacker BUK3565 is a 3.5-inch rear lift block and U-bolt kit designed to provide additional lift height for truck suspension systems. This kit includes precision-machined lift blocks and heavy-duty U-bolts engineered to safely raise the rear of your vehicle while maintaining proper axle alignment and suspension geometry.

Key Features:

• 3.5-inch lift height for improved ground clearance and leveling
• Heavy-duty U-bolts designed for secure axle mounting
• Precision-machined lift blocks for consistent, reliable performance
• Durable construction built to withstand off-road conditions
• Compatible with aftermarket wheels with proper backspacing

Important Installation Notes:

• Requires wheels with 4-inch backspacing minimum
• OEM factory wheels cannot be reused with this lift height
• Minor modifications may be required on Duramax diesel models
• For applications requiring rear add-a-leaf instead of blocks, order Skyjacker part number R3820

This lift block kit is ideal for enthusiasts looking to level their truck's stance, accommodate larger tires, or achieve additional ground clearance for off-road use. Skyjacker Suspension has been manufacturing quality suspension components for decades, delivering reliable performance and durability.