Restoration, repair and construction of Porsche engines from the air-cooled era
The Porsche 911 six-cylinder boxer engine is undoubtedly one of the most successful engines in the history of automobile construction. Our comprehensive knowledge extends to every single version and every conceivable condition of this engine.
Thanks to our many years of experience, we are your reliable partner for the professional restoration and long-term preservation of your Porsche 911. We are committed and passionate about ensuring that your beloved "911" remains in top shape.
The 1970s marked a significant turning point in the history of 911 engines, with displacement and performance increased and numerous optimizations made. The engines of this era enjoyed great success in motorsport.
Our professionals specialize in reviving restored engines from this golden era or customizing them specifically to your liking. Experience the unique feeling and fascination of this legendary time anew with our engines.
Experience even more displacement, even more power and therefore even more driving fun.
With or without a turbocharger – we ensure that the heart of your 964 or 993 reliably provides powerful propulsion.
And for those who want to get the most out of it, we also offer conversion to the impressive 3.8 liter specification. This will take your driving experience to a whole new level.
The Porsche 356, Porsche's first production model, remains very popular with collectors and enthusiasts to this day.
With our comprehensive expertise, we understand the unique properties of these four-cylinder boxer engines and carry out the restoration of the heart of your classic with the highest level of professional expertise and entirely according to your individual ideas.
The names RSR, Carrera 6 and ST are synonyms for racing success and have written an impressive history.
In order to continue writing new chapters in this racing history in the future, we manufacture the perfect engine that meets your requirements. Our individual support will be happy to support you with your very own racing project.
Neunelfmotoren GmbH
Allerkai 4 - Halle A6
28309 Bremen