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PowerHobby  |  SKU: HPI101639

HPI Racing 101639 Top End Needle Valve Holder

Regular price $6.95
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Description

HPI Racing 101639 Top End Needle Valve Holder

This is a genuine HPI Racing replacement top end needle valve holder for compatible HPI nitro engine carburetors. The holder secures the high-speed needle assembly, keeping your fuel mixture setting stable so the engine tune does not drift mid-run.

A worn or damaged holder makes consistent tuning nearly impossible, so this factory part is the right fix during carburetor service.

  • Genuine HPI Racing replacement part #101639
  • Top end needle valve holder
  • Factory-spec carburetor component
  • Keeps fuel mixture settings stable
  • Installs during routine carburetor service