Brisk Silver Racing RR15S Spark Plug 14mm Thread 25mm Reach — Performance Ignition

SKU: FQHP_RR15S
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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.

Unmatched Conductivity with Brisk Silver Racing

The Brisk Silver Racing RR15S spark plug is the go-to choice for performance-oriented drivers seeking superior ignition reliability. Featuring a 14mm thread and 25mm reach, this plug utilizes a silver center electrode to provide the highest level of electrical conductivity available. This allows for a stronger, more stable spark, which is essential for maximizing power output and ensuring smooth engine operation under high-load conditions.

Key Features

  • Thread Size: 14mm
  • Reach: 25mm
  • Heat Range: 15
  • Seat Type: Tapered
  • Resistor: Included

The RR15S is designed to excel in demanding environments, offering excellent thermal conductivity to prevent overheating and pre-ignition. Its ability to maintain a consistent spark makes it ideal for modified engines, including those running high-octane fuels or advanced tuning maps. The tapered seat design ensures a perfect seal for optimal cylinder pressure, while the resistor helps maintain clean signal integrity for your vehicle's ignition system. By choosing the Brisk Silver Racing series, you are investing in a product that bridges the gap between professional racing technology and street-legal performance. Experience improved throttle response and consistent power delivery across the entire RPM range. Find all your performance ignition needs at GGCRACING.

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.

Unmatched Conductivity with Brisk Silver Racing

The Brisk Silver Racing RR15S spark plug is the go-to choice for performance-oriented drivers seeking superior ignition reliability. Featuring a 14mm thread and 25mm reach, this plug utilizes a silver center electrode to provide the highest level of electrical conductivity available. This allows for a stronger, more stable spark, which is essential for maximizing power output and ensuring smooth engine operation under high-load conditions.

Key Features

  • Thread Size: 14mm
  • Reach: 25mm
  • Heat Range: 15
  • Seat Type: Tapered
  • Resistor: Included

The RR15S is designed to excel in demanding environments, offering excellent thermal conductivity to prevent overheating and pre-ignition. Its ability to maintain a consistent spark makes it ideal for modified engines, including those running high-octane fuels or advanced tuning maps. The tapered seat design ensures a perfect seal for optimal cylinder pressure, while the resistor helps maintain clean signal integrity for your vehicle's ignition system. By choosing the Brisk Silver Racing series, you are investing in a product that bridges the gap between professional racing technology and street-legal performance. Experience improved throttle response and consistent power delivery across the entire RPM range. Find all your performance ignition needs at GGCRACING.

Product Details

Product Description

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.

Unmatched Conductivity with Brisk Silver Racing

The Brisk Silver Racing RR15S spark plug is the go-to choice for performance-oriented drivers seeking superior ignition reliability. Featuring a 14mm thread and 25mm reach, this plug utilizes a silver center electrode to provide the highest level of electrical conductivity available. This allows for a stronger, more stable spark, which is essential for maximizing power output and ensuring smooth engine operation under high-load conditions.

Key Features

  • Thread Size: 14mm
  • Reach: 25mm
  • Heat Range: 15
  • Seat Type: Tapered
  • Resistor: Included

The RR15S is designed to excel in demanding environments, offering excellent thermal conductivity to prevent overheating and pre-ignition. Its ability to maintain a consistent spark makes it ideal for modified engines, including those running high-octane fuels or advanced tuning maps. The tapered seat design ensures a perfect seal for optimal cylinder pressure, while the resistor helps maintain clean signal integrity for your vehicle's ignition system. By choosing the Brisk Silver Racing series, you are investing in a product that bridges the gap between professional racing technology and street-legal performance. Experience improved throttle response and consistent power delivery across the entire RPM range. Find all your performance ignition needs at GGCRACING.

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