HPI Bullet Aftermarket Gunmetal Front Knuckle Arms for BULLET 3.0 MT and ST - BUL-18000-GU by Jazrider  [BUL-18000-GU]

HPI Bullet - Gunmetal Alloy Front Knuckle Arms
Price:
USD$10.68
Brand:
JAZRIDER
Model:
BUL-18000-GU
Condition:
Brand New
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Overview of the gunmetal knuckle upgrade

This set is an aftermarket front knuckle arm replacement designed for HPI Bullet machines where enhanced stiffness and wear resistance are desired. Gunmetal alloy construction reduces flex relative to plastic components and is aimed at model-scale nitro trucks that need longer service life while preserving original suspension geometry.

These parts are intended for Bullet chassis layouts using the BULLET 3.0 MT and ST patterns; always verify knuckle pivot and ball stud spacing with your vehicle documentation before ordering. They install as direct-replacement components and fasten to the stock steering knuckle pivots and uprights.

Service reminder: transfer steering links and existing hardware during fitment, set hex screws to the correct torque and recheck after initial runs, and validate steering geometry as the change in front-end compliance can affect steering feedback.

Is this a direct-replacement for BULLET 3.0 MT and ST?

They are produced to the BULLET 3.0 MT and ST mounting specifications, but you should check your chassis diagrams to confirm pivot and ball stud spacing for your specific truck.

What maintenance is recommended?

Inspect and retorque hex screws after the first runs, and periodically check the ball stud contact points and mount bores for signs of wear or loosening.

Will these change handling characteristics?

Yes, the increased stiffness at the front can sharpen steering response and reduce deflection, so plan to re-evaluate toe and steering geometry after installation.