Ultima R1 Performance Carburetor Carb Harley Evo Shovelhead Replaces S&S Super G

BRAND NEW

PART # 42-91

Ultima® is proud to introduce there new performance carburetor, directly interchangeable with S&S® Super G Carburetors. 

Ultima® carburetors will accept S&S® jets and S&S® Super G bolt pattern air filter assemblies. 

Patented design improvements - a relocated accelerator pump nozzle for increased throttle response and THUNDER JETS are a bolt on! 

Simply remove the plug and screw in the Thunder Jet. 

No expensive machining required!

Fraction of the cost of a S&S Super G or the Mikuni HSR 45mm with comparable performance

2-1/8" Inlet bore size, 2-1/16" Throat bore, 1 3/4" (44.5mm) At the Venturi. An updated replacement for the S&S "G" style of carburetor. 

Recommended for big inch, high performance Harley and V-Twin engines. 

Comes pre-drilled and tapped for Thunderjet! (Not included). 

Mounting flange bolts 3-1/8" apart center-to-center. 

Will not work with stock intakes; requires use of S&S (or S&S style) intake. 

Flows better than the competition, uses standard interchangeable jet sizes. 

Comes with: Min jet of .078 Intermediate jet of .0295

NOTE: Manifold is NOT Included. Air Cleaner is not included. You will received only carb as pictured. Will fit many models, but will require these additional parts if you don't already have the parts.