Pro-ject S/E Upgrade Kit The S/E Upgrade Kit is an affordable motor upgrade package for selected turntables, designed for historical Pro-Ject owners looking to get more out of their existing system. This simple but intuitive kit, developed specially by Henley Audio, improves motor isolation to the modern standard employed by the latest Pro-Ject turntables. The package includes: 2 Rubber Gromits and ScrewsRounded Drive BeltAlternative Pulley The rubber gromits are designed to sit underneath the motor, and are secured in place by the supplied screws (using the existing holes in the plinth for the motor transit screws). By tuning the pressure on the gromits with the screws, the result is a dramatic reduction in unwanted vibrations from the motor, causing less resonance .
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