Bynorm NGK Spark Plug 7599

Product Details NGK Spark Plug 7599 provides the most advanced engine protection by using a trivalent plating system, improving anti-seizing and lubricity, and reducing the tendency to punch through machined metal surfaces. A detachable shoulder provides additional strength to the terminal end of the plug. Stronger insulation to reduce punch through Cold rolled tread prevents cross-threading and damage to cylinder heads Trivalent plating No anti-seize required