KTM 450 EXC riders (2003-2007 models), keep your bike running sharp with this NGK DCPR8E Resistor Spark Plug. This is the real deal – an OEM-quality plug that's designed to deliver consistent, reliable performance ride after ride. NGK is the world's largest spark plug supplier for a reason: their tolerances are incredibly precise, leading to near-zero error margins and dependable operation. The resistor type helps suppress electrical noise that can interfere with your bike's electronics. It features a triple-gasket sealing process for a perfect seal against compression leaks. Simply put, it's the workhorse plug trusted by millions. If you're doing routine maintenance or chasing optimal performance, this is the plug you want for smooth starts and strong running. Don't settle for less than NGK quality for your KTM.