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The Chevrolet Trail Boss and GMC AT4 both have a factory 2" lift compared to other GM 1500 trucks of the same year model. Fabtech's suspension system for these two trucks provide a 4" lift height on top of the factory 2" lift for clearance of 35" tall tires. Once a Trail Boss or AT4 is lifted with a Fabtech 4" system, the truck will sit the same height as a 1500 with a 6" suspension and 35" tires. Fabtech's suspension design for the Trail Boss and AT4 provides excellent drive ability both on and offroad. There is zero bump steer throughout the suspension cycle that helps reduce drive fatigue while improving the overall drive ability of the vehicle. The near stock track width keeps the tires under the fenders for a clean appearance. Fabtech's proprietary steering knuckle geometry provides excellent lock to lock turning radius to maneuver in tight spots. Heavy duty 1/4" thick steel crossmembers feature OE style alignment cam pins that utilize the factory cams for easy adjustment. Triple front diff mounts reposition the differential for vibration free operation at high speed. The factory Trail Boss and AT4 coilover shocks are retained and relocated from the bottom to allow for full steer while achieving 4" of lift. Rear lift is accomplished by removing the factory 2" block and replacing it with a 5" block and u-bolt system. Fabtech has addressed all aspects of the Trail Boss suspension for proper wheel travel and lock to lock steering without over cycling. Comes with a free 5 year 60,000 mile Powertrain Warranty.
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Fabtech
Discover the Fabtech collection, where cutting-edge design meets exceptional functionality. This curated group of products features industry-leading suspension systems tailored for offroad enthusiasts who demand the best performance and quality. Design Innovation At the heart of Fabtech's success is a commitment to proper design in suspension development. Extensive research and advanced technology lead to the creation of high-performing, reliable suspension systems that elevate your offroad experience. Advanced Functionality Today's vehicle platforms require seamless integration of electronics and sensors into their suspension systems. Fabtech has invested in proprietary development processes to ensure every suspension design meets the latest industry standards, providing unparalleled functionality. Rigorous Testing Each product in the Fabtech collection undergoes in-field testing and multiple vehicle fit checks, ensuring easy installation and long-lasting performance. Experience su... View Our Fabtech Products...
Lift Kits
Welcome to our exclusive Lift Kits collection, where functionality meets style. Whether you're looking to improve off-road capabilities or simply elevate your vehicle's appearance, our curated selection has something for everyone. Why Choose Our Lift Kits? Enhanced Performance: Achieve better ground clearance for off-road adventures. Improved Aesthetics: Transform the look of your vehicle with a robust lift. Quality Assurance: All our kits are made from high-quality materials for durability. Easy Installation: Many of our lift kits are designed for straightforward installation, making it easier for DIY enthusiasts. Featured Lift Kits Our collection includes a variety of lift kits suitable for different makes and models: Suspension Lift Kits Body Lift Kits Leveling Kits Adjustable Lift Kits Benefits of Installing Lift Kits Installing a lift kit can provide numerous advantages, including: Better approach and departure angles for off-road driving. Increased tire clearance fo... View Our Lift Kits Products...
Specials
Take advantage of our limited-time Specials collection and enjoy incredible discounts on a wide range of products! For a short period, you can Save Up To 30% On Select Specials. Plus, enjoy FREE Shipping on thousands of products. Don't miss out on the perfect opportunity to upgrade your ride! 🏷️ Instant Savings: Up To 20% Off Hurry – offers end 11/30/2025.No coupon necessary. All prices as marked. Access: Manufacturer of roll-up tonneau covers and truck bed accessories (by Agri-Cover, Inc.). ACT (Advanced Clutch Technology): Produces performance clutches, flywheels, and related driveline components. Antigravity Batteries: Makes ultra-lightweight lithium-ion batteries and jump starters for powersports and automotive use. AWE Tuning: Designs premium performance exhausts, intakes, and intercoolers for enthusiast vehicles. Baja Designs: Specializes in high-output LED lighting solutions for off-road and powersports applications. Burly Brand: Offers aftermarket motorcycle parts—h... View Our Specials Products...