NGK Spark Plug Stock # 7316

The NGK Spark Plug Stock # 7316, also known as the NGK TR55-1IX Iridium IX, is a premium ignition component designed for drivers and technicians who demand reliable, consistent spark performance across a wide operating range. This spark plug is ideal for engine rebuilds, routine maintenance, or tuning modified vehicles, ensuring dependable firing characteristics that enhance engine performance.

Constructed with iridium alloy on both the center and ground electrodes, the Iridium IX spark plug significantly extends service life and improves ignitability compared to conventional nickel plugs. This advanced design produces a finer, more consistent spark kernel, which is crucial for igniting the air-fuel mixture reliably, especially in lean burn conditions or with aggressive ignition timing.

Mechanics and DIY enthusiasts will find the NGK Iridium IX plugs particularly beneficial when replacing worn originals or upgrading from lower-grade options during major engine work. The TR55-1IX specification fits a broad range of automotive applications, making it a go-to choice for standard automotive engines.