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TrailFX BUG04 Rear Lift Block and U-Bolt Kit for GM 3500HD

Manufacturer

TrailFX

<p>TrailFX has built a reputation as a trusted manufacturer of functional truck accessories designed to withstand the demands of both professional worksites and weekend adventures. Quality, function, and innovation are key contributors which drive the development of all products under the TrailFX brand, making them a go-to choice for truck owners who need reliability without compromise. From front-end protection to bed storage solutions, TrailFX delivers purpose-built components that enhance capability while maintaining an affordable price point.</p> <h3>Protection That Works as Hard as You Do</h3> <p>A prominent manufacturer of side steps, bumpers, grille guards, tool boxes, lighting, bed accessories, and much more, TrailFX offers upscale products that are built to last and to impress. The brand's approach prioritizes durability and real-world performance over unnecessary flash. Their <a href="/1847-trailfx-hood-deflector-10669">hood deflectors</a> shield paint and windshields from road debris, reducing maintenance costs and preserving resale value. Meanwhile, <a href="/1847-trailfx-bumper-1340">bumpers</a> built from heavy-duty materials provide critical front-end protection for trucks that venture off-road or navigate demanding job sites where impacts are inevitable.</p> <h3>Bed Protection and Cargo Management</h3> <p>Protecting the truck bed from daily wear is essential for maintaining vehicle value. TrailFX addresses this with comprehensive bed protection solutions, including <a href="/1847-trailfx-truck-bed-liner-1008">truck bed liners</a> designed to prevent scratches and dents from cargo loading. Tailgate liners further reduce wear and tear by shielding against impacts during loading and unloading. The brand's <a href="/1847-trailfx-tailgate-liner-1172">tailgate liners</a> complement full bed protection systems by targeting the most vulnerable impact zones. For contractors and tradespeople who need organized storage, TrailFX <a href="/1847-trailfx-ladder-rack-10600">ladder racks</a> provide secure mounting solutions that keep equipment accessible without consuming valuable bed space.</p> <h3>Built for Real-World Conditions</h3> <p>TrailFX is known for designing functional, affordable truck accessories that support both work and recreation. The brand's focus is on ruggedness, performance and versatility, making its products a trusted choice among truck owners who need reliability in demanding conditions. Whether navigating construction sites, hauling equipment, or exploring backcountry trails, TrailFX accessories are engineered to handle the punishment. The combination of thoughtful design and robust materials means these components continue performing long after installation, making them a smart investment for anyone who depends on their truck daily.</p> <h3>Why Truck Owners Choose TrailFX</h3> <p>When compared to other brands, TrailFX stands out for balancing affordability with long-lasting durability. The brand understands that truck accessories must justify their cost through years of reliable service. From protective components that prevent expensive body damage to functional upgrades that improve workflow efficiency, TrailFX delivers value that extends well beyond the initial purchase. Their extensive product lineup ensures compatibility across truck makes and models, while maintaining the quality standards that have made the brand a staple in the truck accessories market.</p>

Part Number

BUG04
07/31/2036 3:00 PM
Sale Price

$141.62

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The TrailFX BUG04 is a rear lift block and U-bolt kit engineered specifically for GM 3500HD trucks. Designed to restore or add rake to the rear of your vehicle, this kit is ideal for trucks used in towing and hauling applications where the rear suspension needs additional support and lift height.

Key Features:

  • Vehicle-specific fitment designed for GM 3500HD trucks
  • Includes lift blocks and matching U-bolts for a complete rear suspension installation
  • Cast iron block construction for strength and long-term durability
  • E-coated hardware (bolts, nuts, and washers) for corrosion resistance
  • Engineered to maintain factory ride quality while raising rear ride height
  • Eliminates the need to stack blocks — a single-block design for added safety
  • Increases rear ground clearance for improved towing stance and tire clearance

TrailFX suspension products are engineered to deliver quality performance at a competitive price point. The BUG04 block and U-bolt kit installs between the factory rear leaf springs and the axle, providing a straightforward upgrade to your truck's rear suspension geometry.

Great price and quick shipper. Thank you.

I am satisfied with the delivery.

Great price and fast service!!

I'm always amazed at what a great job the hull cleaner does and it's soooo easy!

Parts arrived in perfect condition. Installation went well. The on time and quick delivery was key to installation planning and

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