Tuff Country Rear 4" Cast Iron Lift Blocks – 3" Wide / Tapered (Pair) (79043)

Raise the rear of your truck with the Tuff Country 4" Cast Iron Lift Blocks. Designed for vehicles equipped with rear leaf spring suspension, these lift blocks provide a durable and cost-effective way to increase rear ride height while maintaining factory ride quality.

These lift blocks install between the rear axle and leaf springs, providing approximately 4 inches of rear lift. Built from heavy-duty cast iron construction, they are engineered to handle towing, hauling, and off-road use while maintaining proper suspension geometry and driveline alignment. The tapered 3-inch wide design helps improve driveline angle on lifted applications for smoother operation and reduced vibration.

Sold as a pair, this kit is ideal for correcting rear stance, adding lift, or creating additional clearance for larger tires.

Features:

• Provides approximately 4 inches of rear lift
• Heavy-duty cast iron construction
• 3-inch wide tapered design
• Helps maintain proper driveline geometry
• Designed for rear leaf spring suspension systems
• Maintains factory ride quality
• Helps improve tire clearance and vehicle stance
• Precision-built for proper fitment and alignment
• Ideal for towing and heavy-duty applications
• Sold as a pair
• Made in the USA
• Backed by manufacturer limited lifetime warranty

Fitment:

• Universal application for trucks with compatible 3" wide rear leaf springs
• Compatible with rear leaf spring suspension setups

Notes:

• Designed for rear axle applications only
• Tapered block design helps reduce driveline vibration on lifted trucks
• Do not stack lift blocks
• Lift height may vary depending on vehicle condition and setup
• Extended U-bolts are typically required for installation
• Verify block width and pin size before installation
• Professional installation recommended
• Alignment and re-torque of suspension components recommended after installation