TAMIYA Front Upper Suspension Arms Upgrade for Hotshot/Hotshot II/Super Hotshot/Boomerang - JR-THS04-GU Aluminum Gun Metal by Jazrider  [JR-THS04-GU]

Tamiya Hotshot, Hotshot II/2, Super Hotshot, Boomerang 4WD Aluminum Front Upper Suspension Arms (Gun Metal)
Price:
AUD$21.61
Brand:
JAZRIDER
Model:
JR-THS04-GU
Condition:
Brand New
Available in shop
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Design intent and benefits

This front upper suspension arm set is designed for TAMIYA Hotshot-series chassis and Boomerang 4WD, designated JR-THS04-GU. Machined from aluminum with a gun metal finish, the kit serves as an aftermarket reinforcement to stock plastic arms.

The primary benefit is improved structural stiffness and a stable mounting interface that helps deliver consistent steering geometry when you alter camber or caster for tuning. These arms suit drivers who want predictable handling changes as they refine front-end setup.

Installation tips: inspect existing hardware and ball joints, perform a dry run to confirm hole alignment, and adjust shock preload or ride height in small steps to dial in handling after fitment.

Specifications

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

These aluminium front upper arms offer a durable upgrade path for TAMIYA Hotshot family chassis, preserving standard mount geometry while enhancing tuning precision and longevity.

How do aluminum arms affect on-track tuning?

Aluminum reduces flex seen in plastic arms, which makes setup changes like camber and toe adjustments more predictable. Expect sharper steering feedback and re-evaluate shock settings after the swap.

Is special hardware required to fit these arms?

In most cases the kit uses existing mounting hardware. Keep original screws and spacers and confirm they seat correctly during a trial assembly; replace any worn fasteners as needed.

Will I need to change shock preload after installation?

Possibly. The stiffer arms can alter ride height and front stiffness; adjust preload incrementally and test to re-establish your preferred handling balance.

Are these arms suitable for rough terrain?

They are robust compared with stock plastic arms, but any metal component can bend under severe impact. Inspect after hard hits and consider spare parts for active off-road use.

How should I set up my steering after fitting these arms?

Re-check steering neutral, endpoint travel, and toe settings. Drive gently on a test loop to confirm there is no binding, then tune toe and camber to suit track conditions.

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