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Ultima “G” Replacement Performance Carburetor

Product may vary from photo(s).

Everyday Low Price: $289.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info $260.99

J&P Part: 561-145

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Ultima “G” Replacement Performance Carburetor

• Design includes taped holes for a ThunderJet so there is no added expensive machining

• Relocated accelerator pump nozzle for increased throttle response

• Bolts directly to "Super G" manifold

• Accepts S&S jets

• Uses S&S style air cleaner bolt pattern

Note: Manifold and air cleaners with S&S bolt patterns must be used

Product Specs

  • Finish: Polished
  • Manufacturer Part Number: 42-91
  • Sold in Units: Each


Note: This item is a universal/custom fit component, and does not have any direct standard/OEM model application. Some items may require modification and an advanced level of mechanical skill and/or knowledge for installation.

Customer Reviews


This carb does not allow S&S air filter assembly to bolt up, the mounting holes are reversed. It does use S&S jets. However, you cannot tune the low speed idle or the intermediate jet to run properly on an ironhead sportster. The ultima website recommends 1200cc or larger.

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