TAMIYA Hotshot/Hotshot II/Super Hotshot/Boomerang 4WD Front Upper Suspension Arms Aluminum Gun Metal JR-THS04-GU by Jazrider  [JR-THS04-GU]

Front upper arm summary

This RC-scale front upper suspension arm set is made for the TAMIYA Hotshot family and Boomerang 4WD chassis, offered under model JR-THS04-GU. The components are machined from aluminum, finished in gun metal, and intended as a direct replacement where the listed compatibility applies.

The aluminum arms increase front-end rigidity compared with stock plastic parts and provide a consistent mounting platform for steering and suspension linkages. Fit these as a measured upgrade when tuning camber, caster, or overall front response for track use or recreational running.

Installation notes: confirm fit with your chassis before final assembly, check and reuse existing hardware and ball joints if serviceable, and verify steering travel and suspension articulation after fitting. You may need small adjustments to ride height or shock preload to rebalance handling after switching to metal arms.

For hobbyists seeking a metal alternative to the original plastic front upper arms on the listed TAMIYA chassis, these parts provide a stable upgrade for improved tuning and durability while keeping standard mounting points.