Dirt King +3.5" Long Travel Kit with Bushing Upper Arms for 2007–2016 Chevy/GMC 1500 (2WD/4WD) – DK-631708-B

+3.5" per side. 12" of front wheel travel. This is where your 2007–2016 Chevy/GMC 1500 stops pretending and starts playing in real long travel territory. Built for drivers who want race-inspired width, real articulation, and suspension that doesn’t flinch when the terrain gets violent.

This system is engineered to improve off-road handling without wrecking daily drivability, using proven geometry and heavy-duty components designed for real use.

Performance Specifications

• Wheel Travel: 12"
• Track Width: +3.5" per side
• Lift Range: 1-3"
• Maximum Tire Size: 37"
• Maximum Backspacing: 5"
• Minimum Wheel Diameter: 17"
• Coilover Size: 2.5" x 8"
• Bypass Shock Size: 3.0" x 8"
• Bump Stop Size: 2.0" x 2.0"

Engineering & Construction

• Bolt on application, minimal modifications required
• Utilizes Probearing bearings
• Utilizes Moog ball joints
• 4130 chromoly uniball cups
• 4130 chromoly ball joint cups
• Delrin bushings for the UCA's and LCA's
• Zinc plated inner bushing sleeves
• Grease fittings for easy servicing
• 3/16" and 1/8" boxed plate construction
• Internally ribbed with extrusions for weight reduction
• Bump stop plating
• Limit strap tabbing
• Bypass tabbing
• Ability to adapt factory sway bar

Shock & Setup Guidance

• Required coilover size: 2.5" x 8" (to match proper long travel specs).
• Bypass compatibility: 3.0" x 8" (advanced damping control and tunability).
• OEM-style replacement coilovers may work with the correct spacers/spring setup, but can limit total wheel travel compared to properly spec-built long travel shocks.
• If you’re unsure what shocks or setup to run, iShock can help you spec the right configuration for your terrain and driving style.

4WD Requirements

• models along with the purchase of extended axle shafts.

Tire Fitment Notes

• When 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

• Boxed plate upper control arms
• Boxed plate lower control arms
• 9" quad wrapped limit straps
• Weld on adjustable limit strap mounts
• Moog ball joints
• 17-4 stainless steel misalignment spacers
• 17-4 stainless steel tie rod extensions
• DOT approved extended brake lines
• Grade 8 mounting hardware
• Probearing bearings
• Delrin steering stops
• Lower Arm Weld Washers

Why Buy From iShock?

iShock is a factory-authorized sales, service, and installation center with decades of suspension experience. If you want help pairing shocks, dialing spring rates, or planning a complete long travel build, we’ve got you covered.