Bynorm NGK Spark Plug 7321

Product Details NGK Spark Plug 7321 provides the most advanced engine protection. and reduces the tendency to punch through machined metal surfaces. A detachable shoulder provides additional strength to the terminal end of the plug.NGK combines the experience of years in the development, design, manufacture and supply of spark plugs to meet high customer expectations. Stronger insulation to reduce punch through Cold rolled tread prevents cross-threading and damage to cylinder heads Durable and long-wearing Advanced engine protection