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Tuesday, 21 October 2025

American Prime Mfg. (APM)

After 50 years of SU Eliminator 2 Carbs, APM announces the Eliminator 3 


It was 1908 when a certain George Skinner received a patent for a carburettor with a 'collapsible chamber' and a 'fuel needle valve'. Two year later he formed the 'SU Company' (SU = 'Skinners Union') and the rest is history. 

Car drivers had already been saying thank you for decades (especially Jaguar drivers) when Mel Magnet started to re-work automotive SU Carbs (in his garage!) for Harley-Davidson use. The first customer that Mel and his business partner John Ventrigliara sold to was Bianchi Motors of San Francisco, in 1972.



Using an SU carb from Mel and John, in 1974 Dave Mackie's 74" shovel became the fastest stock production H-D. Though the design has been refined since Skinner's day, especially as manufacturing techniques have evolved (as the SU Eliminator 2) the basics of Skinner's concept have proven robust - it still remains a go-to for Panhead, Knucklehead and Shovelhead performance applications.


In 2017 American Prime Mfg. (APM) took up the mantle of the legendary S.U. Carburettor and has been offering new units and replacement parts ever since. The Eliminator 2 has been providing smooth, even power and torque throughout the entire power band, with excellent cold-start characteristics and drivability, for over 50 years.


"coming to a Pan, Knuckle or Shovel near you soon"

Though originally intended for aircraft and automotive use, it has proven to be the 'Gold Standard' for performance when adapted for use on the early American V-twins, giving added potential over the entire RPM range.


Now, the news that everyone who loves those early Big Twins was hoping to hear one day - APM is stepping up to the plate for all the diehard SU fanatics out there, as well as newbies who want the ultimate in old school looks and performance for their vintage H-D motorcycle. 


While new S.U. Eliminator parts that are being added weekly, there is going to be an update soon with the introduction of the brand new APM Eliminator 3. More details when we have them!


AMERICAN PRIME MANUFACTURING

www.americanprimemfginc.com