Patented design improvements over S&S® carburetors - a relocated accelerator pump nozzle for increased throttle response and THUNDER JETS are a bolt on! Simply remove the plugs and screw in the Thunder Jet. No expensive machining required!

Patent #D 638,857

Carburetor only, polished finish. 42-91 Ultima® R1, S&S® Super G Replacement42-92 Ultima® R2, S&S® Super E ReplacementAvailable separately. Flange style intake manifolds for Ultima® motors 1.800” id port runner.69-141 Ultima® 100/107/113 C.I.69-142 Ultima® 120/127 C.I.95-133 1.800” dia. intake to head O-ring seals (2 required)

relocated accelerator pump nozzle

Thunder Jet bolt on!

Ultima® is proud to introduce our performance carburetors, directly interchangeable with S&S® Super G and Super E Carburetors. Ultima® carburetors will accept S&S® jets and S&S® bolt pattern air filter assemblies.