NGK Spark Plug 7447 BUZ8H

Surface Gap Plugs are Nearly Immune to Pre-Ignition- and Usually Require a Special High Energy Ignition System- They Can be Susceptible to Fouling- Especially in bColder Applications- but May be Necessary in High Compression Applications-

Trivalent Metal Plating 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

Triple Seals Prevent Leakage