Description Ribless insulator that improves the plug-to-boot seal Tapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage Solid state suppressor with two-piece glass and brass seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage Reduced sparking voltage Greater corrosion protection Longer life and improved efficiency ACDelco®, a brand of GM Customer Care and Aftersales, is a global automotive manufacturer of premium replacement parts for almost all vehicle systems as well as off-road, industrial, and marine equipment. With more than hundred years of manufacturing experience, the company offers an extensive line of brake pads and rotors, belts and hoses, shocks and struts, alternators and starters, thermostats and caps, fuel pumps, and many more trustworthy and top-quality products. California Residents WARNING Cancer and Reproductive Harm. www.p65warnings.ca.gov
