Front Lower Arm Upgrade for HPI Bullet BUL-18003-OR - Orange Alloy by Jazrider  [BUL-18003-OR]

Alloy front lower arm overview

This front suspension arm set is made for HPI Bullet platforms and is identified as model BUL-18003-OR. The components are manufactured in an orange anodised aluminium to offer better wear resistance and stiffer support than the original plastic arms while keeping original geometry intact.

Fitment is targeted at the BULLET 3.0 MT and ST (Nitro Engines) range noted in the product name. Typical replacement involves removing the stock arms, reusing or transferring wheel hub hardware, and mounting the alloy arms on the factory pivot points with the existing screws. No specialised tools beyond hobby hex drivers are normally required.

In service, alloy arms reduce deflection under load, which helps maintain a more consistent wheel alignment during aggressive driving or when running heavier tyres. Watch hinge-pin interfaces and shock tower clearance after swapping materials, and verify full suspension travel to avoid inadvertent limits.