The BRISK Racing G12S Silver Racing Spark Plug is designed for high-performance ignition systems that require dependable spark delivery and consistent operation under demanding racing conditions. Its silver racing construction supports efficient heat transfer and reliable ignition performance, helping the engine maintain a strong spark across a broad range of operating conditions. The plug uses a tapered seat for proper installation and sealing when matched with a compatible cylinder head.
The G12S features a metric thread specification equivalent to approximately 0.55 inches in diameter and a reach of approximately 0.71 inches. Always verify thread, seat style, reach, and heat-range requirements before installation to ensure compatibility with the engine, cylinder head, and ignition system. Its heat range 12 design is intended for applications that require a colder racing plug than a typical street-oriented configuration, making correct application selection especially important.
As a non-resistor spark plug, the G12S is built for ignition systems where maximum spark energy and minimal electrical resistance are priorities. This configuration may be well suited to dedicated racing, competition, and specialized high-output applications, but it may not be appropriate for vehicles that depend on resistor plugs for radio-frequency interference control or electronic compatibility. Use the recommended ignition timing, gap, and installation procedures specified by the engine or ignition-system manufacturer.
Each BRISK Racing G12S spark plug is supplied individually, making it suitable for replacement, engine servicing, or completing a matched set. Inspect the plug during scheduled maintenance and replace it when the electrode or insulator shows signs of wear, fouling, damage, or abnormal combustion. For best results, confirm the application requirements and follow the appropriate torque procedure for the tapered seat before operating the engine.
Features:
- Brand and Part Number: BRISK Racing G12S silver racing spark plug
- Construction: Silver racing design engineered for efficient heat transfer and dependable ignition performance
- Thread Specification: Metric thread configuration equivalent to approximately 0.55 inches in diameter
- Reach: Approximately 0.71 inches for applications requiring the specified plug reach
- Heat Range: Heat range 12 for selected high-performance and racing applications
- Seat Style: Tapered seat for proper sealing in compatible cylinder heads
- Resistor Type: Non-resistor design for ignition systems prioritizing maximum spark energy
- Packaging: Supplied individually
