MaxTrac 810040 4" Rear Lift Fabricated Steel Blocks

Need serious rear lift for your truck build? The MaxTrac 810040 Rear Lift Blocks deliver a full 4 inches of rear lift while maintaining proper driveline geometry. Constructed from heavy-duty fabricated steel and finished in a durable grey powder coat, these lift blocks are built to handle towing, hauling, off-road adventures, and daily driving. With a built-in 4-degree taper and dual center pin holes, they offer flexibility and performance that goes beyond standard lift blocks.

Key Features

4-Inch Rear Lift

Provides a true 4-inch rear lift to increase ground clearance, improve truck stance, and accommodate larger wheel and tire combinations.

Heavy-Duty Fabricated Steel Construction

Built from high-strength fabricated steel for superior durability and long-term performance under demanding conditions.

Built-In 4-Degree Taper

Designed with a 4-degree angle to help maintain proper pinion angle and reduce driveline vibration after lifting.

Dual Center Pin Hole Design

Features dual center pin holes that allow you to retain the factory axle location or move the axle forward to help improve driveline plunge.

Durable Grey Powder Coat Finish

Protects against rust, corrosion, road debris, and harsh weather while maintaining a clean appearance.

Ideal for Lifted Truck Builds

Perfect for trucks requiring substantial rear lift without replacing factory leaf springs.

What's Included

• (2) MaxTrac 4" Rear Lift Blocks

Important Fitment Notes

Installation Requirements

• Requires longer U-bolts, sold separately
• Stacking lift blocks is not recommended
• Professional installation recommended

Special Application Notes

• On 2007-2018 GM 1500 models, these blocks replace the factory rear block and provide approximately 3 inches of net lift
• Does NOT fit Nissan Titan XD models
• Does NOT fit Chevrolet Silverado 1500 or GMC Sierra 1500 models equipped with rear monoleaf springs

Wheel Recommendations

• MaxTrac does not recommend wheels wider than 9 inches
• Wheels with less than 4.5 inches of backspacing are not recommended
• Use of non-recommended wheel specifications may void manufacturer warranties

Why Choose These Lift Blocks?

The MaxTrac 810040 lift blocks are designed for truck owners who need more than just basic rear lift. The fabricated steel construction offers exceptional strength, while the dual center pin holes provide added flexibility during installation. Combined with the built-in 4-degree taper, these lift blocks help maintain drivability while delivering the height needed for aggressive truck builds.

Perfect For

• Lifted truck projects
• Off-road builds
• Towing and hauling
• Larger tire installations
• Suspension leveling
• Work trucks and daily drivers

Product Specifications

Part Number: 810040
UPC: 738283443954
Kit Type: Lift / Level
Rear Lift Amount: 4 Inches
Block Angle: 4 Degrees
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Engine Compatibility: Gas Models
Sold As: Pair
Weight: 10 lbs
Dimensions: 11" x 6" x 3"
Country of Origin: China