Description
NGK Iridium plugs are the best option for optimal spark for Nissan 350Z and Infiniti G35. Fits VQ35DE revup and non revup engines.
Stock heat ranges is best suited for stock or naturally aspirated with boltons.
1 step colder is recommended for mildly boosted applications, or applications on E85.
2 step colder is for more extreme builds
Priced Each.
