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-TTBOSS-GX470K - Toytec Boss Suspension System for 03-09 GX470

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Your Price: $1,414.57
Toytec BOSS Suspension System - 03-09 Lexus GX470 Designed for the best overall ride comfort and performance in mind, this is the most complete lift kit on the market.
Part Number: TTBOSS-GX470K
Availability: In Stock.

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Toytec BOSS Suspension System - 03-09 Lexus GX470

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


  • TTFCS-2005- ToyTec’s BOSS 2.0 front Coilovers-
    • 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.  
    • Comes fully assembled and ready to bolt on for easy install. 
    • Includes sway bar relocate bracket needed for clearance for non-KDSS vehicles.
    • All parts are 100% made in the U.S.A.


  • If your vehicle does not have KDSS, choose the sway bar relocation bracket which is required for proper fitment.

Choose coil spring rate and color options above.

    • Red or Silver 650lb Rate Coils - Standard option.  Works well with stock weight
    • Red or Silver 700 lb Spring Rate coils - Excellent choice for use with a bumper and winch
Front Diff Drop Kit:
    • Front Differential Drop kit  - Recommended for all lifted 4x4s
Rear Lift:
    • Toytec Rear Superflex Coils: - 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.
    • Optional HD Rear Superflex coils  - Offer additional weight carrying capacity.  Recommended 150-200 lbs of constant load for 2-2.5" of lift. 

Rear Shock Options: 

    • TT-75109 Toytec BOSS rear shocks are optimized for maximum travel with Superflex coils
    • TT-75110RR - Rear BOSS 2.0 Remote Reservoir Shocks.  For additional performance, the remote reservoir shock will hold more oil to prevent shock fading on rougher applications.  

Add Upper Control Arms to complete your kit:

    • Total Chaos Uniball Upper Control arms - 96504 - Maximize your wheel travel and increase your strength while also correcting alignment angles.
    • SPC Adjustable Upper Control Arms - 25480 - The most adjustable UCA on the market.  Correct your alignment angles.  Also great to help with adjusting for tire clearance.
Fitment Notes:
  • If you have rear factory airbags in your GX470, add the MetalTech Conversion Kit from the drop down and this kit will work with your vehicle. 
  • *We recommend the rear HD coils for GX470's with 3rd row seating using MetalTech coil conversion kit. 
  • The factory shock dampening controls (sport/comfort) will be disabled when replacing the shocks on your GX470. 
  • Boss front coilovers are only designed to work with stock front lower control arms

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