Need Suggestion for Spark Plug

[BlackSamurai]

Hi All,

It's about time for me to change my spark plug. (Runs for 2 years, cover more than 50,000KM)

Any suggestion or option you guys can provide?
Please stated the Brand, Model, Price for 4 Spark plug (If possible, shop that I can get) and feedback (if you have any experience using it).

Car: Hyundai Coupe Tiburon RD
Tranmission: Manual
CC: 1800CC

Looking for
1. Performance
2. Good FC (If possible)


Thanks in advance.