MaxTrac 811410 Silverado 8 Lug HD 1.25" Rear Lift Blocks

Add 1.25" of Rear Height with USA-Made Steel Lift Blocks

Raise the rear of your 2011–2026 Chevrolet Silverado or GMC Sierra 1500HD, 2500HD, or 3500HD with the MaxTrac 811410 1.25" Rear Lift Blocks. Fabricated from heavy-duty steel and sold as a pair, these blocks provide 1.25 inches of rear lift for compatible GM HD leaf-spring suspension applications.
The blocks are manufactured in the USA, finished in durable grey powder coat, and built with a 0-degree angle with no taper. Installation requires longer U-bolts, with MaxTrac 911413 specified for this application and sold separately.

Key Features

1.25" Rear Lift

Provides 1.25 inches of additional rear suspension height, making these blocks useful for correcting stance or adding modest rear clearance.

0-Degree Block Design

Built with 0 degrees of angle and no taper, maintaining a flat block profile for the intended GM HD application.

Heavy-Duty Steel Construction

Fabricated from steel to provide a strong foundation between the rear axle and leaf-spring assembly.

Grey Powder-Coated Finish

A durable grey powder-coat finish helps protect the steel construction against exposure and corrosion.

Longer U-Bolts Required

Installation requires longer rear U-bolts. MaxTrac part number 911413 is specified and available separately.

Made in the USA

Manufactured in the United States and sold as a matched pair for the rear suspension.

What's Included

(2) MaxTrac 811410 1.25" rear lift blocks

Vehicle Fitment

Fits

2011–2026 Chevrolet Silverado 1500HD
2011–2026 Chevrolet Silverado 2500HD
2011–2026 Chevrolet Silverado 3500HD
2011–2026 GMC Sierra 1500HD
2011–2026 GMC Sierra 2500HD
2011–2026 GMC Sierra 3500HD

Important Notes

Provides 1.25" of rear lift.
Built with 0 degrees of angle with no taper.
Longer U-bolts are required and are not included.
MaxTrac 911413 u-bolts are specified for this application and sold separately.
Lift blocks are installed between the rear axle and leaf-spring assembly and should be used only with the appropriate application-specific suspension hardware.
MaxTrac does not recommend wheels wider than 9" or wheels with less than 4.5" backspacing. Using wheels outside these recommendations will void applicable manufacturer warranties.

Product Specifications

Brand: MaxTrac Suspension
Part Number: 811410
UPC: 706199417581
Tariff: 8708.80.6590
Kit Type: Lift / Level
Product Type: Rear Lift Blocks
Position: Rear
Rear Lift: 1.25"
Block Angle: 0 Degrees
Taper: None
Required U-Bolts: 911413
U-Bolts Included: No
Material: Steel
Color: Grey
Finish: Grey Powder Coat
Sold As: Pair
Weight: 7 lbs
Dimensions: 9" × 4" × 3"
Multiple Box Item: No
Origin Criterion: C
Unit of Measure: IN
Country of Origin: USA

Why Choose MaxTrac 811410?

The MaxTrac 811410 provides a straightforward way to add 1.25" of rear height to compatible Silverado and Sierra HD trucks. Its fabricated steel construction offers a durable alternative to generic lightweight blocks, while the 0-degree, non-tapered design is built specifically around the intended suspension configuration.
Pairing the blocks with the specified MaxTrac 911413 longer u-bolts provides the matching hardware solution needed to accommodate the increased distance between the axle and leaf springs.

Perfect For

Silverado HD rear lift applications
Sierra HD suspension upgrades
2500HD and 3500HD truck builds
1.25" rear height increases
Leaf-spring suspension setups
Replacement rear lift blocks