The PIAGGIO RG4HC spark plug in copper, code 438027, represents a fundamental component for the proper functioning of your motorcycle's engine.
Specifically designed to ensure optimal performance, this spark plug features a long thread and has a size of M10x1, with a key width of 16mm.
It is compatible with the NGK CR9E model, ensuring a simple and precise installation.
Choosing the right spark plug is essential for maintaining engine efficiency and ensuring ideal combustion, thus contributing to a smooth and responsive riding experience.