Upgrade your vehicle's performance with the Denso SK16HR11 Spark Plug, a premium ignition component designed for efficiency and durability. Compatible with a range of engines, this spark plug is an ideal replacement to ensure your car runs smoothly and reliably. Manufactured by Denso, a trusted name in automotive parts, the SK16HR11 plug features a precise design to fit seamlessly into your engine's combustion chamber. With no classic or performance part designation, it's a straightforward, high-quality component designed for everyday road use. (Currently have 4 sets of 4)