NGK spark plugs push the limits of performance and innovation, bringing the most advanced technology to today’s high-efficiency engines. From the high-tech Ruthenium HX™ to the industry standard OE-style spark plugs, NGK drives the future of spark plug engineering.
- Proton Campro
- Proton Exora CPS
- Proton Gen2
- Proton Persona
- Proton Preve CPS
- Proton Saga BLM
- Proton Saga FL
- Proton Saga FLX
- Proton Satria NEO
- Proton Waja