When it comes to choosing new spark plugs for your car, it is important to consider both cost and quality. While cheaper spark plugs may seem like a more cost-effective option upfront, they may end up costing you more in the long run if they need to be replaced more frequently. Investing in high-quality spark plugs made of premium materials can help improve your car's performance and fuel efficiency, ultimately saving you money in the long term.
Its sealing edge comes in full contact with the shaft surface in order to provide excellent sealing performance.
(See Figure 3.)
Friction modifiers: Friction modifiers help reduce friction when your engine is operating under high temperatures and with heavy loads. This additive can also help you maximize your fuel efficiency.