Unleash True VG, VQ, & VR Performance

At Specialty-Z, we don’t just service cars—we live and breathe the engineering legacy of Nissan and Infiniti. From classic twin-turbo Z32s to the modern VR30DDTT platforms powering the Nissan Z and Infiniti Q50/Q60 Red Sport, our passion is backed by decades of proven mechanical mastery. We turn factory specifications into tailored, high-performance realities through our premier Simi Valley facility and our curated online performance store, delivering track-tested parts straight to you garage.

Need help?

Unleash True VG, VQ, & VR Performance

Collection: HKS

HKS Racing M Series Spark Plugs (Set of 6)

Country/region

Unleash True VG, VQ, & VR Performance

Collection: HKS

HKS Racing M Series Spark Plugs (Set of 6)