NGK R7435-9 4896 Spark Plug Racing R74359

Designed for high-performance engines, the NGK R7435-9 4896 spark plug delivers dependable ignition and strong acceleration in racing and demanding road conditions. Built with race-grade materials and a precise electrode gap, this 14mm diameter plug promotes efficient combustion, reduced misfires, and consistent firing under extreme temps. Its robust shell withstands heat and vibration, while the engineered insulator helps resist fouling and improves cold starts. Whether you’re dialing in a tuned street machine or a dedicated race car, the R7435-9 offers reliable repeatability, long life, and easy maintenance. Choose this NGK plug for trusted ignition efficiency, optimized throttle response, and steady performance across a wide range of high-performance applications.