Brand NGK Core material Copper Top material type Ceramic Vehicle service type Car Global Trade Identification Number 00087295131992 Constructed from durable material Corrosion and abrasion resistant Features corrugated ribs, ceramic insulator, copper core and triple interior seal Reduces ignition system voltage requirements International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.