- Furthermore, the F7RTC spark plug is designed to be easy to install, making it a hassle-free upgrade for your engine. Whether you're a seasoned mechanic or a DIY enthusiast, you can easily replace your old spark plugs with the F7RTC model in no time. With its simple installation process, you can quickly enjoy the benefits of improved engine performance and efficiency.
In choosing the right oil seal type for your application, it is essential to assess factors such as speed, temperature range, pressure levels, chemical compatibility, shaft material, and installation space limitations. By considering these factors carefully, you can ensure that you select an oil seal that will provide optimal performance and longevity in your specific application.
If the gap is larger than 0.002 in. (0.05 mm) at any point, have the head or block checked and machined flat by a specialist.
The design and material of a shaft oil seal are crucial factors in determining its effectiveness and durability. High-quality seals are made from durable materials that can withstand high temperatures, pressures, and speeds. They are also designed to maintain a tight seal against the shaft while allowing for smooth rotation without excessive friction or wear.

