NGK Ruthenium HX Spark plugs - TOYOTA V6 3.5L / 4.0L

NGK Ruthenium HX Spark plugs - TOYOTA 3.5L / 4.0L  Each order includes a complete set of spark plugs for the selected vehicle. New, state of the art NGK Ruthenium plugs designed for engines that demand high ignitability. The Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions. 0.4mm Ruthenium alloy fine wire center electrode and 0.8mm platinum fine wire ground electrode. Trivalent metal platinum provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator provides superior strength and better heat transfer. Copper core aids in heat removal. Recommended use with RIPP coil packs.    * Select your vehicle before adding to cart.  Pre-Gapped to .044 (OEM spec) Each order includes a complete set of spark plugs for the selected vehicle. Great spark plug for vehicle's with upgraded coi