What is the version of the following sentence with correct punctuation?

A bonus effect we have with our design is that the cylinders are more upright than other brands thanks to the tilt cylinder attachment ears is positioned onto the widest point of the gearbox
A bonus effect we have with our design is that the cylinders are more "upright" than other brands thanks to the tilt cylinder attachment "ears" is positioned onto the widest point of the gearbox.