With over 80 years of automotive expertise, we are driven by extreme dedication to performance and quality. From OEM to aftermarket, our people push the boundaries of innovation to bring the latest technologies to market under the NGK and NTK brands. Since 1936, NGK Spark Plugs has been the world leader in technology, innovation and world-class quality in the design of spark plugs and oxygen sensors. With the expansion of our ignition product, technical sensor and vehicle electronics lines, we are ushering in a new chapter of advancement.

NGK 3951 V-Power Spark Plug, TR55 NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs Actual OE or equivalent replacement spark plug. NGK V-Power spark plugs are tested to the highest OE standards. The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. Engineered specifically for OE applications.