NGK R7435-8 4895 Spark Plug Racing R74358

The NGK R7435-8 4895 Spark Plug (R74358) delivers race-grade ignition reliability for high-demand engines. Designed for precision firing, the plug uses a robust 14mm thread and engineered tip geometry to maximize flame front propagation, improve throttle response, and sustain consistent performance under extreme conditions. Built to resist fouling and heat soak, it supports sustained horsepower and reliable starts across demanding track and competition settings. Ideal for performance builds, this plug pairs well with tuned fuel systems and high-output ignition setups, helping you extract every horsepower while maintaining durability and stable idle. Explore the edge of ignition technology with a plug trusted by racers and performance enthusiasts alike.