Toytec Boss Suspension System for 03-09 4Runner, 07-09 FJ
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Toytec BOSS Suspension System Fits all 03-09 Toyota 4Runners and 07-09 FJ Cruisers.

Designed for the best overall ride comfort and performance in mind, this is the most complete lift kit on the market.


      Choose front coilover options:
  • TTFCS2005 - ToyTec’s BOSS standard 2.0 front Coilover -designed with a larger 5/8” nitro steel shock shaft which is much more corrosion resistant than chrome plating and is valved specific to your vehicle, improving the overall handling and performance. The threaded Clear-Blue Chromate zinc plated steel shock body is adjustable from 0-3” of front lift height and can be fine tuned to level your truck side to side and front to back. Each shock has a 200 psi gas charge and is dyno’d before it ships. Upper mounts and adjustment rings are machined from 6061-T6 Billet aluminum and are then anodized black to prevent corrosion. TIG welded spanner wrenches are included for easy adjustment. We only use Eibach springs for our coilovers which means you have the best name and quality in the business supporting your vehicle. Comes fully assembled and ready to bolt on for easy install. Includes sway bar relocate bracket needed for clearance.  All parts are 100% made in the U.S.A.
  • TTBOSS25 - Toytec 2.5 Series Performance front coilovers -Fully adjustable from 1-3" of lift.  Shock bodies are 2.5" in diameter providing additional oil over standard OEM shocks.  Internal Floating Piston design which allows the shock perform more efficiently when mounted at an angle and provides a predictable ride quality capable of handling the roughest conditions. Available with red or silver 650 lb spring rate coil springs.  Spherical heim joints at both ends for maximum available travel.  7/8" Nitro-steel piston shafts.  These shocks are fully rebuildable. Includes sway bar relocate bracket needed for clearance.
Choose coil spring color options above.
    • Red
    • Silver
  • Our BOSS kits comes standard with Toytec RCC2.0 rear springs- These springs offer 2" of  lift with stock rear weight with the best overall ride quality and rear articulation.
  • Choose optional HD rear springs from drop down for additional load carrying capacity.
  • TAC-DR-05 Front Diff Drop Kit - When installing a lift on the front of a 4wd, the angles of the front CV axles will increase the higher you lift it. At 3 inches of lift, the CV joints will operate at considerable angle which will increase wear on the CV joints and the rubber boots. The front differential drop kit will reduce the angle placed on the CV axles thereby reducing wear on those components.
  •  TT-75109 Toytec BOSS rear shocks are optimized for maximum travel with Superflex coils
  • Also includes Toytec Signature series rear bump stop extensions (Pictured)
  • Add Total Chaos Uniball Upper Control Arms or SPC Adjustable Upper Control Arms to your order and SAVE $$
  • Other Options- Add a body lift to your order and SAVE $$


  • Item #: TTBOSS-FJ3K
  • Manufacturer: Toytec
  • Manufacturer's Product Number: TTBOSS-FJ3K

Toytec Boss Suspension System for 03-09 4Runner, 07-09 FJ

Price: $1,329.99
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