The KS Large bore Pistons Group is one of the world’s leading designers and manufacturers of large-bore pistons. The company offers perfect solutions for pistons with diameter ranging from 130 to 640 mm. Our pistons are made out of aluminium, spheroidal graphite iron or steel as well as combinations of theses materials for all customer applications.

In addition to pistons for conventional fuels, we can also provide product solutions for alternative fuels such as hydrogen, ammonia or methanol.

Our maxim “our POWER keeps the WORLD moving” describes our ability to make our WORLD more sustainable with our ENERGY and our PRODUCTS.


Neckarsulm | Germany
Karl-Schmidt-Str. 2–8

Marinette | USA
2945 Angwall Dr, WI 54143

Kunshan | China
Building E, No. 299 Yu Yang Road,
Jiangsu 215300