Brisk Premium Racing Spark Plug 10mm Thread 26.5mm Reach Heat Range 12 — High Performance Ignition

SKU: FQHP_COR12LGS

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Brisk

Brisk engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Brisk lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unlock Superior Ignition Performance

The Brisk Premium Racing Spark Plug (COR12LGS) is engineered for enthusiasts who demand precision and reliability. Designed with a 10mm thread and a 26.5mm reach, this spark plug features a specialized gasket seat and integrated resistor to ensure stable electrical conductivity under extreme racing conditions. Its advanced design promotes a more efficient flame kernel development, leading to improved throttle response and consistent power delivery across the entire RPM range.

Technical Specifications

  • Thread Size: 10mm
  • Reach: 26.5mm
  • Heat Range: 12
  • Seat Type: Gasket
  • Resistor: Yes

Whether you are tuning for the track or optimizing your street-legal performance vehicle, this premium racing plug provides the durability required for high-compression engines. The unique electrode geometry minimizes misfires and maximizes combustion efficiency, allowing your engine to breathe easier and perform at its peak. By choosing Brisk, you are investing in decades of ignition technology expertise. Experience the difference in engine smoothness and power output today. Shop the full range of high-performance ignition components available at GGCRACING.

About Brisk

Brisk engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Brisk lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unlock Superior Ignition Performance

The Brisk Premium Racing Spark Plug (COR12LGS) is engineered for enthusiasts who demand precision and reliability. Designed with a 10mm thread and a 26.5mm reach, this spark plug features a specialized gasket seat and integrated resistor to ensure stable electrical conductivity under extreme racing conditions. Its advanced design promotes a more efficient flame kernel development, leading to improved throttle response and consistent power delivery across the entire RPM range.

Technical Specifications

  • Thread Size: 10mm
  • Reach: 26.5mm
  • Heat Range: 12
  • Seat Type: Gasket
  • Resistor: Yes

Whether you are tuning for the track or optimizing your street-legal performance vehicle, this premium racing plug provides the durability required for high-compression engines. The unique electrode geometry minimizes misfires and maximizes combustion efficiency, allowing your engine to breathe easier and perform at its peak. By choosing Brisk, you are investing in decades of ignition technology expertise. Experience the difference in engine smoothness and power output today. Shop the full range of high-performance ignition components available at GGCRACING.

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