The JR-THNE01-GU is made to fit the TAMIYA Hornet EVO (58742) as a direct aluminium alternative to the original front lower arms. The gun metal finish is chosen to harmonise with anodised hop-ups while increasing stiffness relative to the stock plastic components.
Front lower arms locate the front suspension and play a key role in steering geometry and load distribution during cornering. Fitting aluminium arms reduces flex at those connection points, helping to maintain intended geometry when driving harder or altering setup settings.
Fitting these arms is a chassis-level task, replacing the factory front lower arms at the Hornet EVO mounting points. Use original hardware if compatible or confirm included parts via the retailer listing, and always confirm free suspension movement through its full range before final tightening.
For tuning, treat these arms as a front chassis stiffening upgrade. Reassess wheel alignment, damper settings, and anti-roll balance to fine tune handling changes. After heavy use, inspect for stress marks and ensure steering linkages are clear of any new contact points.
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