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Funkart F4 Approved NR Racing Extreme CarburetorNR Racing Carburetor, Stock Appearing (SA) Extreme, Stage 4, Approved for Funkart F4 Classes. NR Racing Specs: Extensively modified, stock appearing carburetor that produces the most HP possible utilizing a stock carb body. In addition to having the largest Venturi area of any of our other bored carbs, the butterfly size has been significantly increased to provide 60% more airflow than a stock carb. Fuel circuits and jets have been reworked to
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NR Racing Carburetor, Stock Appearing (SA) Extreme, Stage 4,

Approved for Funkart F4 Classes.

NR Racing Specs:

 Extensively modified, stock-appearing carburetor that produces the most HP possible utilizing a stock carb body.

  • In addition to having the largest Venturi area of any of our other bored carbs, the butterfly size has been significantly increased to provide 60% more airflow than a stock carb. Fuel circuits and jets have been reworked to maintain proper mixture.
  • Similar to our Stage 3, but has additional work on inlet side (hand-worked for ~10% more flow)
  • May have internal or external epoxy
  • No choke
  • All Stage 4 carbs are dyno-tested before shipping. Dyno testing shows these carbs to produce up to 1.0+ HP more than the standard bored (stock butterfly) and over 2+ HP more than a stock carb with only marginal loss in low-end and idle quality.
  • Venturi is CNC milled and is oval shaped to maximize volume and velocity. Equivalent bore size (area) is greater than a .670" bore

 

Funkart F4 Approved NR Racing Extreme Carburetor

Item no : 64228357357
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US$ 149.50
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Min. order: 1piece

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Ships within 48 hours · Estimated delivery Jun 21 - Jun 26

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US$ 149.50

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