42-91  ULTIMA® PERFORMANCE CARBURETOR R1, S&S® Super G®
42-91  ULTIMA® PERFORMANCE CARBURETOR R1, S&S® Super G®
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42-91 ULTIMA® PERFORMANCE CARBURETOR R1, S&S® Super G®

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42-91 Ultima® R1, S&S® Super G® Replacement.

Ultima®’s performance carburetors are 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 & manifolds.

Patented design improvements - 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! Installation & tuning instructions available online at www.ultimaproducts.com.