Dirt King +3.5" Long Travel Kit with Bushing Upper Arms for 2010–2014 Toyota FJ Crusier (2WD/4WD) – DK-814908-B

+3.5" per side. 13.5" of front wheel travel. This is where your 2010–2014 Toyota FJ Crusier 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: 13.5"
• Track Width: +3.5" per side
• Lift Range: 0-4"
• Maximum Tire Size: 35"
• Maximum Backspacing: 4.75"
• Minimum Wheel Diameter: 16"
• Coilover Size: 2.5" x 8"
• Bypass Shock Size: 2.5" x 8"
• Bump Stop Size: 2.0" x 2.0"

Engineering & Construction

• Bolt on application, minimal modifications required
• Utilizes Probearing bearings
• 4130 chromoly uniball cups
• Choice of ¾" heims or poly bushings for the UCA's
• Delrin bushings for the 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

Shock & Setup Guidance

• Required coilover size: 2.5" x 8" (to match proper long travel specs).
• Bypass compatibility: 2.5" 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 using 35” tires with this kit modifications to the wheel well will need to be made.
• The firewall pinch weld will need to be folded over and front cab mount needs to be shaved to avoid contact while turning.
• The upper wheel well will also need to be modified to avoid contact at full bump.

What’s Included

• Boxed plate upper control arms
• Boxed plate lower control arms
• 8" quad wrapped limit straps
• Weld on adjustable limit strap mounts
• 17-4 stainless steel misalignment spacers
• 17-4 stainless steel tie rod extensions
• DOT approved extended brake lines
• Grade 8 mounting hardware
• Zinc plated bushing washers
• Bump stop spacers

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.