Brisk Racing Silver Spark Plug LTx Coyote RR14S

Brisk Racing Silver Spark Plugs (RR14S)

Unlock your engine's full potential with the Brisk Racing Silver Spark Plugs (RR14S), engineered for high-octane and alternative fuel ignition. With advanced silver-core technology and race-proven durability, these spark plugs provide exceptional performance in both street and track environments.

Key Features:

• 1.5mm silver wire center electrode for maximum conductivity
• Superior ignition performance with high-octane and alternative fuels (CNG, LPG, Propane, E85, Alcohol, LNG, Nitro, Race Fuels)
• Reduces wear on ignition components and lowers required spark voltage
• Compatible with OEM and aftermarket ignition systems: distributor, coil, and direct ignition
• Ideal for naturally aspirated and forced induction setups

Technical Specifications:

• Thread Diameter: 14mm
• Thread Reach: 25mm (1")
• Hex Size: 16mm (5/8")
• Seat Type: Tapered
• Design: Silver Racing
• Resistor: Yes
• Projected Tip: No
• Heat Range: 14

Popular Fitments:

• 2014+ LTx Engines
• 2011–2020 Ford Mustang 5.0
• GEN 3 HEMI 5.7L / 6.1L / 6.4L (Dodge SRT-4, SRT-8, HEMI, Chrysler 300)

Recommended Applications:

• Tuned & race engines
• High-octane or hard-to-ignite fuel types
• Alternative fuel vehicles
• High RPM performance engines
• Standard & high-compression engines

Service Life:

• Up to 30,000 km (18,000 miles)
• 50 hours of continuous racing

Whether you're building a high-performance street machine or a track-dominating race car, the Brisk RR14S Racing Silver Spark Plugs provide the spark energy and thermal performance needed to maximize power, reliability, and fuel efficiency.