TAMIYA Front Upper Arms (Hotshot Family & Boomerang) Aluminum Gun Metal - JR-THS04-GU by Jazrider  [JR-THS04-GU]

Tamiya Hotshot, Hotshot II/2, Super Hotshot, Boomerang 4WD Aluminum Front Upper Suspension Arms (Gun Metal)
Price:
£11.22
Brand:
JAZRIDER
Model:
JR-THS04-GU
Condition:
Brand New
Available in shop
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Product highlights and fit

This aluminium front upper suspension arm set fits the TAMIYA Hotshot range and Boomerang 4WD, sold under model JR-THS04-GU. The components are supplied in a gun metal finish and intended to replace the original plastic arms on the listed platforms.

These arms provide greater stiffness and a repeatable mounting point for steering and suspension linkages, which helps when fine tuning front-end geometry. They are suitable for hobbyists wanting a long lasting upgrade that maintains factory mounting geometry.

Fitment guidance: confirm hole alignment during a dry fit, inspect and replace any worn ball joints or screws, and verify full steering travel and suspension articulation after assembly. Minor ride height or shock preload adjustments may be required to re-balance handling characteristics.

Specifications

  • Item: Front upper suspension arms
  • Material: Aluminum
  • Model Number: JR-THS04-GU
  • Compatibility: Tamiya Hotshot, Hotshot II/2, Super Hotshot, Boomerang 4WD

For RC modellers seeking a metal replacement for the front upper arms on the stated TAMIYA chassis, these units offer a durable upgrade that keeps standard mounting points while aiding tuning consistency.

Are these compatible with all Hotshot versions without modification?

They are produced for the Hotshot series and Boomerang 4WD using the same mounting pattern, but confirm fit on your exact chassis revision before completing installation.

What maintenance is recommended to keep them performing?

Regularly check for play at mounting points, clean pivot areas to remove grit, and re-torque fasteners after the initial few runs to prevent loosening.

Will the aluminium arms alter crash behaviour?

Aluminium is less forgiving than plastic and may transfer more force to adjoining components during impacts. Inspect for damage after heavy impacts and consider spares for off-road use.

Can these arms improve lap times?

They can contribute to more consistent front geometry, which helps when optimising setup for lap time, but overall gains depend on suspension tuning and driving.

Is the gun metal finish purely cosmetic?

The gun metal finish is primarily aesthetic but also offers a layer of surface protection; inspect after impacts and replace if the finish is compromised.

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