* NGK BKR8E-11: These spark plugs are one step colder than the BKR7E-11s, and they are a good choice for engines that are modified for increased performance.
* Denso IK22: These spark plugs are also one step colder than the BKR7E-11s, and they are a popular choice for Honda B18C engines.
* Autolite APP5244: These spark plugs are a good budget-friendly option for the Honda B18C engine. They are one step colder than the BKR7E-11s, and they offer good performance for both street and track use.
When choosing spark plugs for your Honda B18C engine, it is important to consider the following factors:
* The engine's condition and modifications: If the engine is stock or only mildly modified, then the factory-recommended spark plugs or one step colder spark plugs will be a good choice. If the engine is heavily modified, then it may be necessary to use spark plugs that are even colder.
* The fuel you are using: If you are using leaded fuel, then you must use spark plugs that are specifically designed for leaded fuel.
* The climate in which you live: If you live in a cold climate, then you may want to use spark plugs that are one step colder than the factory-recommended plugs.
By considering these factors, you can choose the best spark plugs for your Honda B18C engine.
