// Description The Dirt King Long Travel Suspension System is engineered to dramatically enhance off-road handling while maintaining excellent day-to-day drivability. Up front the system delivers 12” of travel and supports up to a 37” tire offering substantial improvements in articulation and clearance. Designed for both 2WD and 4WD models when paired with extended axle shafts. Compared to the competition we’ve gained several inches of ground clearance by mounting the lower arms in the factory location instead of below it. The system is fully CAD-designed, rigorously tested, and proudly manufactured in the USA. In the rear the setup provides up to 17” of usable travel when combined with the Dirt King bedcage and Dirt King Long Travel Leaf Springs. Together the front and rear kits create a balanced, high-performance suspension package that transforms the vehicle’s capability without compromising reliability or everyday usability. Specifications Front Wheel Travel: Up to 12" Rear Wheel Travel: Up to 17" Amount of Lift: 0-3” Track Width: 3.5” wider per side Maximum Tire Size: 37” Maximum Backspacing: 5” Minimum Rim Size: 17” Coilover Shock Size: Fox Spec Spec Coilovers OptionsThis suspension system allows for several different options to suit your needs. The 2.5” x 8” coil over can be installed with one of the following options, sway bar, bump stops, or bypass shocks. We offer a sway bar kit that adapts our long travel kit to work with the factory sway bar. This will give the vehicle similar on road driving characteristics to stock with minimal sacrifice to the suspension systems performance. The next option is installing bump stops. They will help dampen hard impacts and are cost effective but on the other hand are often noisy. The last option is most commonly used. Adding bypass shocks will fine tune the damping throughout the suspension cycle. They are also completely adjustable to perfect the ride quality. ShocksFor the best performance and to achieve the full amount of travel you must purchase our spec built coil over shocks or have them custom built based on our shock spec sheet. In addition, our long travel kit is tabbed to accommodate bypass shocks. The bypass shocks will allow for superior suspension dampening and tunability. To mount the bypasses we offer a weld on bypass shock hoop kit (DK-631910) that can be purchased separately. The bypass shock hoop kit requires welding and modifications to the frame. You have the option of installing 2.5” diameter by 8” stroke bypass shocks or 3.0” diameter by 8” stroke bypass shocks. Wheel TravelWhen shopping long travel kits many consumers tend to focus just on travel numbers. This is the reason many companies claim inaccurate numbers or don’t disclose the amount of work involved to achieve these numbers. Our goal is to build a suspension system with the highest amount of wheel travel without requiring major modifications to the vehicle or compromising its overall drivability. Tire InfoWhen installing 37” tires with this kit you must modify the wheel wells to avoid contact at full bump. We have solved this problem by developing complete bolt on front wheel wells for proper tire clearance. The firewall pinch weld will also need to be folded over to clear the 37” tires. What's Included • Long Travel Kit: Enhances off-road performance with an additional 3.5" width per side, supporting 37" tires and increasing suspension travel to 13". • Long Travel Spec Fox Coilovers: Custom-tuned Fox Spec coilovers to deliver superior performance for both off-road adventures and daily drivability. • Bed Cage Spec Fox 16" Triple Bypasses: The Dirt King bed cage spec Fox bypass shocks are custom-tuned for optimal performance across varied terrain, offering a smooth yet progressively firmer ride, with easy adjustability. • Prefab Bed Cage: The Dirt King Prefab Bed Cage offers a high-performance, easy-to-install suspension upgrade with minimal bed intrusion, superior shock placement, and enhanced stability compared to cantilever systems. • Long Travel Leaf Springs: The Long Travel Leaf Springs Progressive Series springs provide a smooth, performance-driven ride for the GM1500 by using a high-count, flexible leaf stack, and when paired with Dirt King's long travel kit and bed cage, they enable up to 17" of rear suspension travel. • 2" Wheel Spacers: Forged Alloy's hub-centric wheel spacers are precision-machined from aerospace-grade aluminum and built with heavy-duty steel studs for superior strength, durability, and performance enhancement. • Shackle and Hanger Kit: The Dirt King shackle and hanger kit enhances rear suspension performance and durability by correcting leaf spring geometry and increasing travel with extended shackles. • Leaf Over Shock Mounts: The leaf over shock mounts were designed to be installed with the prefabbed bedcage and long travel leaf springs that mount on top of the axle. This product mounts on top of the leaf springs and held in place by the u-bolts. • Axle Assemblies (4WD) • All Necessary Mounting Hardware • Dirt King Sticker Pack • Installation Instructions Features 3.5” Wider Per Side: Adds 3.5” of width per side, boosting suspension travel. Tires: Allows proper fitment of 37” tires. Probearing bearings: Utilizes heavy duty Probearing spherical bearings in the LCA's Moog Ball Joints: Heavy duty low maintenance ball joints. Bypass tabbing: Bypass tubing is integrated into the front lower control arms, making it easy to add front bypass shocks later in the build. Complete Hardware Included: Comes with all necessary mounting hardware. Made in the USA: Proudly designed and manufactured in the United States. Compatibility 2007-2018 Chevy Silverado 1500 2WD / 4WD2007-2018 GMC Sierra 1500 2WD / 4WD *Fiberglass required. *This product is designed to pair with OEM and Dirt King parts. Compatibility with other brands must be approved by the respective manufacturer.
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