To act as a physical barrier retaining the lubricating oil where it is bound to be.
2) Oil seals for steel production equipment
Tora Oil Seal:


Function of hydrodynamic ribs

jet engine spark plug. On the other hand, a faulty spark plug can lead to misfires, reduced engine performance, and even engine damage.
Some gaskets are in two or three pieces dove-tailed together. Make sure the pieces join up properly.

snowblower spark plug.
Raise the jack to take the weight of the engine off its mountings. Make sure you do not strain the radiator hoses or other connections. If in doubt, drain the radiator and disconnect the hoses (See How to remove a car radiator ).
In conclusion, choosing the right spark plugs for your MK7 GTI is crucial for optimal performance and engine efficiency. Upgrading to high-quality spark plugs can improve throttle response, fuel efficiency, and overall engine performance. Brands like NGK, Bosch, and Denso offer a variety of spark plugs that are specifically designed for performance cars like the MK7 GTI. When choosing spark plugs, consider factors like heat range and electrode material to ensure you're getting the best performance out of your MK7 GTI.