Dirt King Rear Long Travel Spring Under Kit for 2007-2021 Toyota Tundra – DK-815848

Spring-Under Geometry. Up to 18" of rear wheel travel. This Dirt King rear long travel spring-under system transforms the way your 2007-2021 Toyota Tundra handles aggressive off-road terrain by relocating the leaf springs beneath the axle for dramatically improved suspension travel and articulation.

Part Number: DK-815848

Rear Suspension Performance

• Maximum Rear Wheel Travel: Up to 18"
• Maximum Tire Size: 35"
• Maximum Backspacing: 4.75"
• Minimum Wheel Diameter: 16"

Engineering & Construction

• Long travel rear shackles designed for extended suspension cycling
• Heavy-duty leaf spring hangers and mounting plates
• 3/16" and 1/8" boxed plate steel construction
• Integrated limit strap mounting tabs

What's Included

• Long travel shackles
• Leaf-under U-bolt plates
• Leaf-under front hangers
• Rear shackle hangers
• 18" quad wrapped limit straps
• Weld-on limit strap tabs
• Leaf spring perches
• DOT approved extended brake lines
• Grade 8 mounting hardware

Complete Rear Long Travel Setup: Pair this system with Deaver long travel leaf springs, a rear bed cage, and properly valved long travel shocks. iShock can help spec the complete suspension system for your build.

Why Buy From iShock

iShock is a factory-authorized suspension sales, service, and installation center with decades of real-world suspension experience. If you're planning a complete long travel build, our team can help you select the right shocks, springs, and supporting components to get the most performance from your suspension system.