The NGK 7173 Racing Plug - R5672A-8 from the Racing Series is crafted to endure the toughest demands of high-performance engines. Engineered with special insulator nose configurations, it enhances throttle response for optimal acceleration. Featuring corrugated ribs to prevent flashover, a pure alumina silicate ceramic insulator for robust strength and efficient heat transfer, and a copper core that aids in rapid heat dissipation, this plug ensures reliable performance. Triple seals further safeguard against leaks, maintaining consistent ignition reliability in competitive racing environments.

Part number: R5672A-8