NGK G-Power Platinum Spark Plug TR55GP (8 Pack) for GMC C1500 SIERRA SL 1996-1999 5.7L/350

NGK G-Power platinum spark plugs are an economical upgrade option from traditional spark plugs. Fine wire platinum center electrode provides excellent performance and fuel efficiency. The small tip improves ignitibility, anti-fouling, quicker starts and less voltage requirements to fire. Trapezoid shape ground electrode provides excellent flame reproduction. Trivalent metal plating has superior anti-corrosion and anti-seizing properties. NGK G-Power platinum spark plugs are the best platinum spark plugs at an economical cost. These G-Power platinum spark plugs deliver the power and quality that you expect from NGK. The fine pure-platinum electrode tip remains virtually unchanged and reaches self-cleaning temperatures to deliver longer durability and optimum performance. Compared to conventional plugs, G-Power plugs deliver better starts, superior acceleration and greater fuel economy. Copper core aids in heat removal. Triple seals prevent leakage. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.