The NGK BKR6E-11 is a high-quality standard resistor spark plug designed for optimal engine performance and fuel efficiency. It features a 14mm thread size, 19mm reach, and a 16mm hex size. With a heat range of 6 and a pre-set gap of 1.1mm, this spark plug utilizes a durable nickel alloy center electrode and a standard ground electrode, ensuring consistent ignition and long-lasting durability across a wide range of small engines and industrial machinery.