Spiess has been one of the most successful engine designers and builders for many decades and is a household name in the motor-racing world. Among our customers are motor-racing teams, independent drivers and collectors or renowned car manufacturers as well as customers from the non-automotive area. With our brand Spiess RACing we stand for competence when it comes to development, production and optimisation on the one hand as well as revision, repairing and restoration of technically advanced motor-racing and sports engines on the other.
With our own preliminary design & simulation, construction, production, in-house assembly and engine building, quality management and test facility we turn your project with a target-oriented approach into a success.
We want to guarantee the highest quality level for our customers. Therefore, Siegfried Spiess Motorenbau GmbH has been certified for processes according to the standards SN EN ISO 9001.